Vulnerabilities > CVE-2011-1025 - Improper Authentication vulnerability in Openldap

047910
CVSS 6.8 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
openldap
CWE-287
nessus
NVD
Published: 2011-03-20
Updated: 2017-01-07

Summary

bind.cpp in back-ndb in OpenLDAP 2.4.x before 2.4.24 does not require authentication for the root Distinguished Name (DN), which allows remote attackers to bypass intended access restrictions via an arbitrary password.

Vulnerable Configurations

Part Description Count
Application
Openldap
18

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Authentication Abuse
    An attacker obtains unauthorized access to an application, service or device either through knowledge of the inherent weaknesses of an authentication mechanism, or by exploiting a flaw in the authentication scheme's implementation. In such an attack an authentication mechanism is functioning but a carefully controlled sequence of events causes the mechanism to grant access to the attacker. This attack may exploit assumptions made by the target's authentication procedures, such as assumptions regarding trust relationships or assumptions regarding the generation of secret values. This attack differs from Authentication Bypass attacks in that Authentication Abuse allows the attacker to be certified as a valid user through illegitimate means, while Authentication Bypass allows the user to access protected material without ever being certified as an authenticated user. This attack does not rely on prior sessions established by successfully authenticating users, as relied upon for the "Exploitation of Session Variables, Resource IDs and other Trusted Credentials" attack patterns.
  • Exploiting Trust in Client (aka Make the Client Invisible)
    An attack of this type exploits a programs' vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by placing themselves in the communication channel between client and server such that communication directly to the server is possible where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
  • Utilizing REST's Trust in the System Resource to Register Man in the Middle
    This attack utilizes a REST(REpresentational State Transfer)-style applications' trust in the system resources and environment to place man in the middle once SSL is terminated. Rest applications premise is that they leverage existing infrastructure to deliver web services functionality. An example of this is a Rest application that uses HTTP Get methods and receives a HTTP response with an XML document. These Rest style web services are deployed on existing infrastructure such as Apache and IIS web servers with no SOAP stack required. Unfortunately from a security standpoint, there frequently is no interoperable identity security mechanism deployed, so Rest developers often fall back to SSL to deliver security. In large data centers, SSL is typically terminated at the edge of the network - at the firewall, load balancer, or router. Once the SSL is terminated the HTTP request is in the clear (unless developers have hashed or encrypted the values, but this is rare). The attacker can utilize a sniffer such as Wireshark to snapshot the credentials, such as username and password that are passed in the clear once SSL is terminated. Once the attacker gathers these credentials, they can submit requests to the web service provider just as authorized user do. There is not typically an authentication on the client side, beyond what is passed in the request itself so once this is compromised, then this is generally sufficient to compromise the service's authentication scheme.
  • Man in the Middle Attack
    This type of attack targets the communication between two components (typically client and server). The attacker places himself in the communication channel between the two components. Whenever one component attempts to communicate with the other (data flow, authentication challenges, etc.), the data first goes to the attacker, who has the opportunity to observe or alter it, and it is then passed on to the other component as if it was never intercepted. This interposition is transparent leaving the two compromised components unaware of the potential corruption or leakage of their communications. The potential for Man-in-the-Middle attacks yields an implicit lack of trust in communication or identify between two components.

Nessus

  • NASL familyMandriva Local Security Checks
    NASL idMANDRIVA_MDVSA-2011-056.NASL
    descriptionMultiple vulnerabilities has been identified and fixed in openldap : chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server (CVE-2011-1024). bind.cpp in back-ndb in OpenLDAP 2.4.x before 2.4.24 does not require authentication for the root Distinguished Name (DN), which allows remote attackers to bypass intended access restrictions via an arbitrary password (CVE-2011-1025). modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote attackers to cause a denial of service (daemon crash) via a relative Distinguished Name (DN) modification request (aka MODRDN operation) that contains an empty value for the OldDN field (CVE-2011-1081). The updated packages have been patched to correct these issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id53227
    published2011-03-31
    reporterThis script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/53227
    titleMandriva Linux Security Advisory : openldap (MDVSA-2011:056)
    code
    #%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Mandriva Linux Security Advisory MDVSA-2011:056. 
# The text itself is copyright (C) Mandriva S.A.
#

include("compat.inc");

if (description)
{
  script_id(53227);
  script_version("1.12");
  script_cvs_date("Date: 2019/08/02 13:32:54");

  script_cve_id("CVE-2011-1024", "CVE-2011-1025", "CVE-2011-1081");
  script_bugtraq_id(46363, 46831);
  script_xref(name:"MDVSA", value:"2011:056");

  script_name(english:"Mandriva Linux Security Advisory : openldap (MDVSA-2011:056)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Mandriva Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Multiple vulnerabilities has been identified and fixed in openldap :

chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a
master-slave configuration with a chain overlay and
ppolicy_forward_updates (aka authentication-failure forwarding) is
used, allows remote authenticated users to bypass external-program
authentication by sending an invalid password to a slave server
(CVE-2011-1024).

bind.cpp in back-ndb in OpenLDAP 2.4.x before 2.4.24 does not require
authentication for the root Distinguished Name (DN), which allows
remote attackers to bypass intended access restrictions via an
arbitrary password (CVE-2011-1025).

modrdn.c in slapd in OpenLDAP 2.4.x before 2.4.24 allows remote
attackers to cause a denial of service (daemon crash) via a relative
Distinguished Name (DN) modification request (aka MODRDN operation)
that contains an empty value for the OldDN field (CVE-2011-1081).

The updated packages have been patched to correct these issues."
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64ldap2.4_2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64ldap2.4_2-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:lib64ldap2.4_2-static-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libldap2.4_2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libldap2.4_2-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:libldap2.4_2-static-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:openldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:openldap-clients");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:openldap-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:openldap-servers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:openldap-testprogs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:openldap-tests");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2010.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2010.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/03/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/03/31");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Mandriva Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/Mandrake/release", "Host/Mandrake/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);


flag = 0;
if (rpm_check(release:"MDK2010.0", cpu:"x86_64", reference:"lib64ldap2.4_2-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", cpu:"x86_64", reference:"lib64ldap2.4_2-devel-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", cpu:"x86_64", reference:"lib64ldap2.4_2-static-devel-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", cpu:"i386", reference:"libldap2.4_2-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", cpu:"i386", reference:"libldap2.4_2-devel-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", cpu:"i386", reference:"libldap2.4_2-static-devel-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", reference:"openldap-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", reference:"openldap-clients-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", reference:"openldap-doc-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", reference:"openldap-servers-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", reference:"openldap-testprogs-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.0", reference:"openldap-tests-2.4.19-2.2mdv2010.0", yank:"mdv")) flag++;

if (rpm_check(release:"MDK2010.1", cpu:"x86_64", reference:"lib64ldap2.4_2-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", cpu:"x86_64", reference:"lib64ldap2.4_2-devel-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", cpu:"x86_64", reference:"lib64ldap2.4_2-static-devel-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", cpu:"i386", reference:"libldap2.4_2-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", cpu:"i386", reference:"libldap2.4_2-devel-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", cpu:"i386", reference:"libldap2.4_2-static-devel-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", reference:"openldap-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", reference:"openldap-clients-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", reference:"openldap-doc-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", reference:"openldap-servers-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", reference:"openldap-testprogs-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;
if (rpm_check(release:"MDK2010.1", reference:"openldap-tests-2.4.22-2.2mdv2010.2", yank:"mdv")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyGentoo Local Security Checks
    NASL idGENTOO_GLSA-201406-36.NASL
    descriptionThe remote host is affected by the vulnerability described in GLSA-201406-36 (OpenLDAP: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in OpenLDAP. Please review the CVE identifiers referenced below for details. Impact : A remote attacker might employ a specially crafted certificate to conduct man-in-the-middle attacks on SSL connections made using OpenLDAP, bypass security restrictions or cause a Denial of Service condition. Workaround : There is no known workaround at this time.
    last seen2020-06-01
    modified2020-06-02
    plugin id76331
    published2014-07-01
    reporterThis script is Copyright (C) 2014-2018 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/76331
    titleGLSA-201406-36 : OpenLDAP: Multiple vulnerabilities
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 201406-36.
#
# The advisory text is Copyright (C) 2001-2016 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include("compat.inc");

if (description)
{
  script_id(76331);
  script_version("1.6");
  script_cvs_date("Date: 2018/07/12 19:01:15");

  script_cve_id("CVE-2009-3767", "CVE-2010-0211", "CVE-2010-0212", "CVE-2011-1024", "CVE-2011-1025", "CVE-2011-1081", "CVE-2011-4079", "CVE-2012-1164", "CVE-2012-2668");
  script_bugtraq_id(36844, 41770, 46363, 46831, 50384, 52404, 53823);
  script_xref(name:"GLSA", value:"201406-36");

  script_name(english:"GLSA-201406-36 : OpenLDAP: Multiple vulnerabilities");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-201406-36
(OpenLDAP: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in OpenLDAP. Please review
      the CVE identifiers referenced below for details.
  
Impact :

    A remote attacker might employ a specially crafted certificate to
      conduct man-in-the-middle attacks on SSL connections made using OpenLDAP,
      bypass security restrictions or cause a Denial of Service condition.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/201406-36"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All OpenLDAP users should upgrade to the latest version:
      # emerge --sync
      # emerge --ask --oneshot --verbose '>=net-nds/openldap-2.4.35'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_cwe_id(310);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:openldap");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2014/06/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/07/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2014-2018 Tenable Network Security, Inc.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"net-nds/openldap", unaffected:make_list("ge 2.4.35"), vulnerable:make_list("lt 2.4.35"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:qpkg_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "OpenLDAP");
}
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2011-3627.NASL
    descriptionChanges not covered by bugs : - removed slurpd options from sysconfig/ldap - fix: possible NULL pointer dereference in NSS implementation Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id56296
    published2011-09-26
    reporterThis script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/56296
    titleFedora 14 : openldap-2.4.23-10.fc14 (2011-3627)
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2011-3627.
#

include("compat.inc");

if (description)
{
  script_id(56296);
  script_version("1.13");
  script_cvs_date("Date: 2019/08/02 13:32:35");

  script_cve_id("CVE-2011-1024", "CVE-2011-1025", "CVE-2011-1081");
  script_bugtraq_id(46363, 46831);
  script_xref(name:"FEDORA", value:"2011-3627");

  script_name(english:"Fedora 14 : openldap-2.4.23-10.fc14 (2011-3627)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Changes not covered by bugs :

  - removed slurpd options from sysconfig/ldap

    - fix: possible NULL pointer dereference in NSS
      implementation

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=680466"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=680472"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=680975"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2011-September/066251.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?2b235408"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected openldap package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:openldap");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:14");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/03/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/09/26");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^14([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 14.x", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);

flag = 0;
if (rpm_check(release:"FC14", reference:"openldap-2.4.23-10.fc14")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "openldap");
}
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2011-0347.NASL
    descriptionFrom Red Hat Security Advisory 2011:0347 : Updated openldap packages that fix three security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. A flaw was found in the way OpenLDAP handled authentication failures being passed from an OpenLDAP slave to the master. If OpenLDAP was configured with a chain overlay and it forwarded authentication failures, OpenLDAP would bind to the directory as an anonymous user and return success, rather than return failure on the authenticated bind. This could allow a user on a system that uses LDAP for authentication to log into a directory-based account without knowing the password. (CVE-2011-1024) It was found that the OpenLDAP back-ndb back end allowed successful authentication to the root distinguished name (DN) when any string was provided as a password. A remote user could use this flaw to access an OpenLDAP directory if they knew the value of the root DN. Note: This issue only affected OpenLDAP installations using the NDB back-end, which is only available for Red Hat Enterprise Linux 6 via third-party software. (CVE-2011-1025) A flaw was found in the way OpenLDAP handled modify relative distinguished name (modrdn) requests. A remote, unauthenticated user could use this flaw to crash an OpenLDAP server via a modrdn request containing an empty old RDN value. (CVE-2011-1081) Users of OpenLDAP should upgrade to these updated packages, which contain backported patches to resolve these issues. After installing this update, the OpenLDAP daemons will be restarted automatically.
    last seen2020-06-01
    modified2020-06-02
    plugin id68229
    published2013-07-12
    reporterThis script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/68229
    titleOracle Linux 6 : openldap (ELSA-2011-0347)
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2011:0347 and 
# Oracle Linux Security Advisory ELSA-2011-0347 respectively.
#

include("compat.inc");

if (description)
{
  script_id(68229);
  script_version("1.10");
  script_cvs_date("Date: 2019/10/25 13:36:09");

  script_cve_id("CVE-2011-1024", "CVE-2011-1025", "CVE-2011-1081");
  script_bugtraq_id(46363);
  script_xref(name:"RHSA", value:"2011:0347");

  script_name(english:"Oracle Linux 6 : openldap (ELSA-2011-0347)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Oracle Linux host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"From Red Hat Security Advisory 2011:0347 :

Updated openldap packages that fix three security issues are now
available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.

OpenLDAP is an open source suite of LDAP (Lightweight Directory Access
Protocol) applications and development tools.

A flaw was found in the way OpenLDAP handled authentication failures
being passed from an OpenLDAP slave to the master. If OpenLDAP was
configured with a chain overlay and it forwarded authentication
failures, OpenLDAP would bind to the directory as an anonymous user
and return success, rather than return failure on the authenticated
bind. This could allow a user on a system that uses LDAP for
authentication to log into a directory-based account without knowing
the password. (CVE-2011-1024)

It was found that the OpenLDAP back-ndb back end allowed successful
authentication to the root distinguished name (DN) when any string was
provided as a password. A remote user could use this flaw to access an
OpenLDAP directory if they knew the value of the root DN. Note: This
issue only affected OpenLDAP installations using the NDB back-end,
which is only available for Red Hat Enterprise Linux 6 via third-party
software. (CVE-2011-1025)

A flaw was found in the way OpenLDAP handled modify relative
distinguished name (modrdn) requests. A remote, unauthenticated user
could use this flaw to crash an OpenLDAP server via a modrdn request
containing an empty old RDN value. (CVE-2011-1081)

Users of OpenLDAP should upgrade to these updated packages, which
contain backported patches to resolve these issues. After installing
this update, the OpenLDAP daemons will be restarted automatically."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://oss.oracle.com/pipermail/el-errata/2011-March/001995.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected openldap packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:compat-openldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:openldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:openldap-clients");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:openldap-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:openldap-servers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:openldap-servers-sql");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:6");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/03/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/03/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/07/12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Oracle Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 6", "Oracle Linux " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);

flag = 0;
if (rpm_check(release:"EL6", reference:"compat-openldap-2.3.43-2.el6")) flag++;
if (rpm_check(release:"EL6", reference:"openldap-2.4.19-15.el6_0.2")) flag++;
if (rpm_check(release:"EL6", reference:"openldap-clients-2.4.19-15.el6_0.2")) flag++;
if (rpm_check(release:"EL6", reference:"openldap-devel-2.4.19-15.el6_0.2")) flag++;
if (rpm_check(release:"EL6", reference:"openldap-servers-2.4.19-15.el6_0.2")) flag++;
if (rpm_check(release:"EL6", reference:"openldap-servers-sql-2.4.19-15.el6_0.2")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "compat-openldap / openldap / openldap-clients / openldap-devel / etc");
}
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-1100-1.NASL
    descriptionIt was discovered that OpenLDAP did not properly check forwarded authentication failures when using a slave server and chain overlay. If OpenLDAP were configured in this manner, an attacker could bypass authentication checks by sending an invalid password to a slave server. (CVE-2011-1024) It was discovered that OpenLDAP did not properly perform authentication checks to the rootdn when using the back-ndb backend. An attacker could exploit this to access the directory by sending an arbitrary password. Ubuntu does not ship OpenLDAP with back-ndb support by default. This issue did not affect Ubuntu 8.04 LTS. (CVE-2011-1025) It was discovered that OpenLDAP did not properly validate modrdn requests. An unauthenticated remote user could use this to cause a denial of service via application crash. (CVE-2011-1081). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id53257
    published2011-04-01
    reporterUbuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/53257
    titleUbuntu 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : openldap, openldap2.3 vulnerabilities (USN-1100-1)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-1100-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(53257);
  script_version("1.12");
  script_cvs_date("Date: 2019/09/19 12:54:26");

  script_cve_id("CVE-2011-1024", "CVE-2011-1025", "CVE-2011-1081");
  script_bugtraq_id(46363, 46831);
  script_xref(name:"USN", value:"1100-1");

  script_name(english:"Ubuntu 8.04 LTS / 9.10 / 10.04 LTS / 10.10 : openldap, openldap2.3 vulnerabilities (USN-1100-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that OpenLDAP did not properly check forwarded
authentication failures when using a slave server and chain overlay.
If OpenLDAP were configured in this manner, an attacker could bypass
authentication checks by sending an invalid password to a slave
server. (CVE-2011-1024)

It was discovered that OpenLDAP did not properly perform
authentication checks to the rootdn when using the back-ndb backend.
An attacker could exploit this to access the directory by sending an
arbitrary password. Ubuntu does not ship OpenLDAP with back-ndb
support by default. This issue did not affect Ubuntu 8.04 LTS.
(CVE-2011-1025)

It was discovered that OpenLDAP did not properly validate modrdn
requests. An unauthenticated remote user could use this to cause a
denial of service via application crash. (CVE-2011-1081).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/1100-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:ldap-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libldap-2.4-2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libldap-2.4-2-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libldap2-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:slapd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:slapd-dbg");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:8.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:9.10");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/03/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/03/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/04/01");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(8\.04|9\.10|10\.04|10\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 8.04 / 9.10 / 10.04 / 10.10", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"8.04", pkgname:"ldap-utils", pkgver:"2.4.9-0ubuntu0.8.04.5")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libldap-2.4-2", pkgver:"2.4.9-0ubuntu0.8.04.5")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libldap-2.4-2-dbg", pkgver:"2.4.9-0ubuntu0.8.04.5")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libldap2-dev", pkgver:"2.4.9-0ubuntu0.8.04.5")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"slapd", pkgver:"2.4.9-0ubuntu0.8.04.5")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"slapd-dbg", pkgver:"2.4.9-0ubuntu0.8.04.5")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"ldap-utils", pkgver:"2.4.18-0ubuntu1.2")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"libldap-2.4-2", pkgver:"2.4.18-0ubuntu1.2")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"libldap-2.4-2-dbg", pkgver:"2.4.18-0ubuntu1.2")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"libldap2-dev", pkgver:"2.4.18-0ubuntu1.2")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"slapd", pkgver:"2.4.18-0ubuntu1.2")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"slapd-dbg", pkgver:"2.4.18-0ubuntu1.2")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"ldap-utils", pkgver:"2.4.21-0ubuntu5.4")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libldap-2.4-2", pkgver:"2.4.21-0ubuntu5.4")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libldap-2.4-2-dbg", pkgver:"2.4.21-0ubuntu5.4")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libldap2-dev", pkgver:"2.4.21-0ubuntu5.4")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"slapd", pkgver:"2.4.21-0ubuntu5.4")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"slapd-dbg", pkgver:"2.4.21-0ubuntu5.4")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"ldap-utils", pkgver:"2.4.23-0ubuntu3.5")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"libldap-2.4-2", pkgver:"2.4.23-0ubuntu3.5")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"libldap-2.4-2-dbg", pkgver:"2.4.23-0ubuntu3.5")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"libldap2-dev", pkgver:"2.4.23-0ubuntu3.5")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"slapd", pkgver:"2.4.23-0ubuntu3.5")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"slapd-dbg", pkgver:"2.4.23-0ubuntu3.5")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ldap-utils / libldap-2.4-2 / libldap-2.4-2-dbg / libldap2-dev / etc");
}
  • NASL familyRed Hat Local Security Checks
    NASL idREDHAT-RHSA-2011-0346.NASL
    descriptionUpdated openldap packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. A flaw was found in the way OpenLDAP handled authentication failures being passed from an OpenLDAP slave to the master. If OpenLDAP was configured with a chain overlay and it forwarded authentication failures, OpenLDAP would bind to the directory as an anonymous user and return success, rather than return failure on the authenticated bind. This could allow a user on a system that uses LDAP for authentication to log into a directory-based account without knowing the password. (CVE-2011-1024) This update also fixes the following bug : * Previously, multiple concurrent connections to an OpenLDAP server could cause the slapd service to terminate unexpectedly with an assertion error. This update adds mutexes to protect multiple threads from accessing a structure with a connection, and the slapd service no longer crashes. (BZ#677611) Users of OpenLDAP should upgrade to these updated packages, which contain backported patches to resolve these issues. After installing this update, the OpenLDAP daemons will be restarted automatically.
    last seen2020-06-01
    modified2020-06-02
    plugin id52627
    published2011-03-11
    reporterThis script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/52627
    titleRHEL 5 : openldap (RHSA-2011:0346)
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2011-3612.NASL
    descriptionThree security issues were fixed during the rebase! Changes not covered by bugs : - new: system resource limiting for slapd using ulimit - fix: possible NULL pointer dereference in NSS implementation OpenLDAP package was rebased to 2.4.24. Extension of API : - libldap adds: ldap_destroy ldap_dup ldap_sasl_interactive_bind - libldif adds: ldif_put_wrap ldif_sput_wrap Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id53516
    published2011-04-22
    reporterThis script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/53516
    titleFedora 15 : openldap-2.4.24-2.fc15 (2011-3612)
  • NASL familyScientific Linux Local Security Checks
    NASL idSL_20110310_OPENLDAP_ON_SL6_X.NASL
    descriptionA flaw was found in the way OpenLDAP handled authentication failures being passed from an OpenLDAP slave to the master. If OpenLDAP was configured with a chain overlay and it forwarded authentication failures, OpenLDAP would bind to the directory as an anonymous user and return success, rather than return failure on the authenticated bind. This could allow a user on a system that uses LDAP for authentication to log into a directory-based account without knowing the password. (CVE-2011-1024) It was found that the OpenLDAP back-ndb back end allowed successful authentication to the root distinguished name (DN) when any string was provided as a password. A remote user could use this flaw to access an OpenLDAP directory if they knew the value of the root DN. Note: This issue only affected OpenLDAP installations using the NDB back-end, which is only available for Scientific Linux 6 via third-party software. (CVE-2011-1025) A flaw was found in the way OpenLDAP handled modify relative distinguished name (modrdn) requests. A remote, unauthenticated user could use this flaw to crash an OpenLDAP server via a modrdn request containing an empty old RDN value. (CVE-2011-1081) After installing this update, the OpenLDAP daemons will be restarted automatically.
    last seen2020-06-01
    modified2020-06-02
    plugin id60988
    published2012-08-01
    reporterThis script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/60988
    titleScientific Linux Security Update : openldap on SL6.x i386/x86_64
  • NASL familyRed Hat Local Security Checks
    NASL idREDHAT-RHSA-2011-0347.NASL
    descriptionUpdated openldap packages that fix three security issues are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. A flaw was found in the way OpenLDAP handled authentication failures being passed from an OpenLDAP slave to the master. If OpenLDAP was configured with a chain overlay and it forwarded authentication failures, OpenLDAP would bind to the directory as an anonymous user and return success, rather than return failure on the authenticated bind. This could allow a user on a system that uses LDAP for authentication to log into a directory-based account without knowing the password. (CVE-2011-1024) It was found that the OpenLDAP back-ndb back end allowed successful authentication to the root distinguished name (DN) when any string was provided as a password. A remote user could use this flaw to access an OpenLDAP directory if they knew the value of the root DN. Note: This issue only affected OpenLDAP installations using the NDB back-end, which is only available for Red Hat Enterprise Linux 6 via third-party software. (CVE-2011-1025) A flaw was found in the way OpenLDAP handled modify relative distinguished name (modrdn) requests. A remote, unauthenticated user could use this flaw to crash an OpenLDAP server via a modrdn request containing an empty old RDN value. (CVE-2011-1081) Users of OpenLDAP should upgrade to these updated packages, which contain backported patches to resolve these issues. After installing this update, the OpenLDAP daemons will be restarted automatically.
    last seen2020-06-01
    modified2020-06-02
    plugin id52628
    published2011-03-11
    reporterThis script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/52628
    titleRHEL 6 : openldap (RHSA-2011:0347)
  • NASL familyOracle Linux Local Security Checks
    NASL idORACLELINUX_ELSA-2011-0346.NASL
    descriptionFrom Red Hat Security Advisory 2011:0346 : Updated openldap packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. A flaw was found in the way OpenLDAP handled authentication failures being passed from an OpenLDAP slave to the master. If OpenLDAP was configured with a chain overlay and it forwarded authentication failures, OpenLDAP would bind to the directory as an anonymous user and return success, rather than return failure on the authenticated bind. This could allow a user on a system that uses LDAP for authentication to log into a directory-based account without knowing the password. (CVE-2011-1024) This update also fixes the following bug : * Previously, multiple concurrent connections to an OpenLDAP server could cause the slapd service to terminate unexpectedly with an assertion error. This update adds mutexes to protect multiple threads from accessing a structure with a connection, and the slapd service no longer crashes. (BZ#677611) Users of OpenLDAP should upgrade to these updated packages, which contain backported patches to resolve these issues. After installing this update, the OpenLDAP daemons will be restarted automatically.
    last seen2020-06-01
    modified2020-06-02
    plugin id68228
    published2013-07-12
    reporterThis script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/68228
    titleOracle Linux 5 : openldap (ELSA-2011-0346)
  • NASL familyCentOS Local Security Checks
    NASL idCENTOS_RHSA-2011-0346.NASL
    descriptionUpdated openldap packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. OpenLDAP is an open source suite of LDAP (Lightweight Directory Access Protocol) applications and development tools. A flaw was found in the way OpenLDAP handled authentication failures being passed from an OpenLDAP slave to the master. If OpenLDAP was configured with a chain overlay and it forwarded authentication failures, OpenLDAP would bind to the directory as an anonymous user and return success, rather than return failure on the authenticated bind. This could allow a user on a system that uses LDAP for authentication to log into a directory-based account without knowing the password. (CVE-2011-1024) This update also fixes the following bug : * Previously, multiple concurrent connections to an OpenLDAP server could cause the slapd service to terminate unexpectedly with an assertion error. This update adds mutexes to protect multiple threads from accessing a structure with a connection, and the slapd service no longer crashes. (BZ#677611) Users of OpenLDAP should upgrade to these updated packages, which contain backported patches to resolve these issues. After installing this update, the OpenLDAP daemons will be restarted automatically.
    last seen2020-06-01
    modified2020-06-02
    plugin id53428
    published2011-04-15
    reporterThis script is Copyright (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/53428
    titleCentOS 5 : openldap (CESA-2011:0346)

Redhat

advisories
rhsa
idRHSA-2011:0347
rpms
  • compat-openldap-0:2.4.19_2.3.43-15.el6_0.2
  • openldap-0:2.4.19-15.el6_0.2
  • openldap-clients-0:2.4.19-15.el6_0.2
  • openldap-debuginfo-0:2.4.19-15.el6_0.2
  • openldap-devel-0:2.4.19-15.el6_0.2
  • openldap-servers-0:2.4.19-15.el6_0.2
  • openldap-servers-sql-0:2.4.19-15.el6_0.2

References