Vulnerabilities > CVE-2017-12197 - Improper Input Validation vulnerability in multiple products

047910
CVSS 4.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
SINGLE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
network
low complexity
libpam4j-project
debian
redhat
CWE-20
nessus
NVD
Published: 2018-01-18
Updated: 2019-10-09

Summary

It was found that libpam4j up to and including 1.8 did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information.

Vulnerable Configurations

Part Description Count
Application
Libpam4J_Project
8
OS
Debian
3
OS
Redhat
1

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Server Side Include (SSI) Injection
    An attacker can use Server Side Include (SSI) Injection to send code to a web application that then gets executed by the web server. Doing so enables the attacker to achieve similar results to Cross Site Scripting, viz., arbitrary code execution and information disclosure, albeit on a more limited scale, since the SSI directives are nowhere near as powerful as a full-fledged scripting language. Nonetheless, the attacker can conveniently gain access to sensitive files, such as password files, and execute shell commands.
  • Cross Zone Scripting
    An attacker is able to cause a victim to load content into their web-browser that bypasses security zone controls and gain access to increased privileges to execute scripting code or other web objects such as unsigned ActiveX controls or applets. This is a privilege elevation attack targeted at zone-based web-browser security. In a zone-based model, pages belong to one of a set of zones corresponding to the level of privilege assigned to that page. Pages in an untrusted zone would have a lesser level of access to the system and/or be restricted in the types of executable content it was allowed to invoke. In a cross-zone scripting attack, a page that should be assigned to a less privileged zone is granted the privileges of a more trusted zone. This can be accomplished by exploiting bugs in the browser, exploiting incorrect configuration in the zone controls, through a cross-site scripting attack that causes the attackers' content to be treated as coming from a more trusted page, or by leveraging some piece of system functionality that is accessible from both the trusted and less trusted zone. This attack differs from "Restful Privilege Escalation" in that the latter correlates to the inadequate securing of RESTful access methods (such as HTTP DELETE) on the server, while cross-zone scripting attacks the concept of security zones as implemented by a browser.
  • Cross Site Scripting through Log Files
    An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
  • Command Line Execution through SQL Injection
    An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.

Nessus

  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DLA-1165.NASL
    descriptionIt was discovered that libpam4j, a Java binding for libpam.so, does not call pam_acct_mgmt(). As a consequence, the PAM account is not properly verified. Any user with a valid password but with deactivated or disabled account was able to log in. For Debian 7
    last seen2020-03-17
    modified2017-11-08
    plugin id104439
    published2017-11-08
    reporterThis script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/104439
    titleDebian DLA-1165-1 : libpam4j security update
    code
    #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1165-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(104439);
  script_version("3.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");

  script_cve_id("CVE-2017-12197");

  script_name(english:"Debian DLA-1165-1 : libpam4j security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that libpam4j, a Java binding for libpam.so, does
not call pam_acct_mgmt(). As a consequence, the PAM account is not
properly verified. Any user with a valid password but with deactivated
or disabled account was able to log in.

For Debian 7 'Wheezy', these problems have been fixed in version
1.4-2+deb7u1.

We recommend that you upgrade your libpam4j packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA 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://lists.debian.org/debian-lts-announce/2017/11/msg00008.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/libpam4j"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Upgrade the affected libpam4j-java, and libpam4j-java-doc packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libpam4j-java");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libpam4j-java-doc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/11/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/08");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"7.0", prefix:"libpam4j-java", reference:"1.4-2+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libpam4j-java-doc", reference:"1.4-2+deb7u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyRed Hat Local Security Checks
    NASL idREDHAT-RHSA-2017-2905.NASL
    descriptionAn update for rh-sso7-keycloak is now available for Red Hat Single Sign-On 7.1 for RHEL 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Single Sign-On is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.1.3 serves as a replacement for Red Hat Single Sign-On 7.1.2, and includes several bug fixes and enhancements. For further information, refer to the Release Notes linked to in the References section. Security Fix(es) : * It was found that keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server. (CVE-2017-12158) * It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks. (CVE-2017-12159) * It was found that libpam4j did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information. (CVE-2017-12197) * It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks. (CVE-2017-12160) Red Hat would like to thank Mykhailo Stadnyk (Playtech) for reporting CVE-2017-12158; Prapti Mittal for reporting CVE-2017-12159; and Bart Toersche (Simacan) for reporting CVE-2017-12160. The CVE-2017-12197 issue was discovered by Christian Heimes (Red Hat).
    last seen2020-06-01
    modified2020-06-02
    plugin id103957
    published2017-10-19
    reporterThis script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/103957
    titleRHEL 7 : rh-sso7-keycloak (RHSA-2017:2905)
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2017:2905. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(103957);
  script_version("3.11");
  script_cvs_date("Date: 2019/10/24 15:35:43");

  script_cve_id("CVE-2014-9970", "CVE-2017-12158", "CVE-2017-12159", "CVE-2017-12160", "CVE-2017-12197");
  script_xref(name:"RHSA", value:"2017:2905");

  script_name(english:"RHEL 7 : rh-sso7-keycloak (RHSA-2017:2905)");
  script_summary(english:"Checks the rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"An update for rh-sso7-keycloak is now available for Red Hat Single
Sign-On 7.1 for RHEL 7.

Red Hat Product Security has rated this update as having a security
impact of Moderate. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

Red Hat Single Sign-On is a standalone server, based on the Keycloak
project, that provides authentication and standards-based single
sign-on capabilities for web and mobile applications.

This release of Red Hat Single Sign-On 7.1.3 serves as a replacement
for Red Hat Single Sign-On 7.1.2, and includes several bug fixes and
enhancements. For further information, refer to the Release Notes
linked to in the References section.

Security Fix(es) :

* It was found that keycloak would accept a HOST header URL in the
admin console and use it to determine web resource locations. An
attacker could use this flaw against an authenticated user to attain
reflected XSS via a malicious server. (CVE-2017-12158)

* It was found that the cookie used for CSRF prevention in Keycloak
was not unique to each session. An attacker could use this flaw to
gain access to an authenticated user session, leading to possible
information disclosure or further attacks. (CVE-2017-12159)

* It was found that libpam4j did not properly validate user accounts
when authenticating. A user with a valid password for a disabled
account would be able to bypass security restrictions and possibly
access sensitive information. (CVE-2017-12197)

* It was found that Keycloak oauth would permit an authenticated
resource to obtain an access/refresh token pair from the
authentication server, permitting indefinite usage in the case of
permission revocation. An attacker on an already compromised resource
could use this flaw to grant himself continued permissions and
possibly conduct further attacks. (CVE-2017-12160)

Red Hat would like to thank Mykhailo Stadnyk (Playtech) for reporting
CVE-2017-12158; Prapti Mittal for reporting CVE-2017-12159; and Bart
Toersche (Simacan) for reporting CVE-2017-12160. The CVE-2017-12197
issue was discovered by Christian Heimes (Red Hat)."
  );
  # https://access.redhat.com/documentation/en-us/red_hat_single_sign-on/7.1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?1825fcce"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2017:2905"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2014-9970"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-12158"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-12159"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-12160"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-12197"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected rh-sso7-keycloak and / or rh-sso7-keycloak-server
packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-sso7-keycloak-server");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/05/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/10/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/10/19");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Red Hat Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.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) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 7.x", "Red Hat " + 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$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2017:2905";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL7", reference:"rh-sso7-keycloak-2.5.14-1.Final_redhat_1.1.jbcs.el7")) flag++;
  if (rpm_check(release:"RHEL7", reference:"rh-sso7-keycloak-server-2.5.14-1.Final_redhat_1.1.jbcs.el7")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "rh-sso7-keycloak / rh-sso7-keycloak-server");
  }
}
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DSA-4025.NASL
    descriptionIt was discovered that libpam4j, a Java library wrapper for the integration of PAM did not call pam_acct_mgmt() during authentication. As such a user who has a valid password, but a deactivated or disabled account could still log in.
    last seen2020-06-01
    modified2020-06-02
    plugin id104467
    published2017-11-09
    reporterThis script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/104467
    titleDebian DSA-4025-1 : libpam4j - security update
    code
    #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-4025. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(104467);
  script_version("3.4");
  script_cvs_date("Date: 2018/11/10 11:49:38");

  script_cve_id("CVE-2017-12197");
  script_xref(name:"DSA", value:"4025");

  script_name(english:"Debian DSA-4025-1 : libpam4j - security update");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that libpam4j, a Java library wrapper for the
integration of PAM did not call pam_acct_mgmt() during authentication.
As such a user who has a valid password, but a deactivated or disabled
account could still log in."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/libpam4j"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/stretch/libpam4j"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2017/dsa-4025"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the libpam4j packages.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.4-2+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 1.4-2+deb9u1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libpam4j");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/11/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/11/09");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"libpam4j-java", reference:"1.4-2+deb8u1")) flag++;
if (deb_check(release:"8.0", prefix:"libpam4j-java-doc", reference:"1.4-2+deb8u1")) flag++;
if (deb_check(release:"9.0", prefix:"libpam4j-java", reference:"1.4-2+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libpam4j-java-doc", reference:"1.4-2+deb9u1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
  • NASL familyRed Hat Local Security Checks
    NASL idREDHAT-RHSA-2017-2904.NASL
    descriptionAn update for rh-sso7-keycloak is now available for Red Hat Single Sign-On 7.1 for RHEL 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Single Sign-On is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.1.3 serves as a replacement for Red Hat Single Sign-On 7.1.2, and includes several bug fixes and enhancements. For further information, refer to the Release Notes linked to in the References section. Security Fix(es) : * It was found that keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server. (CVE-2017-12158) * It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks. (CVE-2017-12159) * It was found that libpam4j did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information. (CVE-2017-12197) * It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks. (CVE-2017-12160) Red Hat would like to thank Mykhailo Stadnyk (Playtech) for reporting CVE-2017-12158; Prapti Mittal for reporting CVE-2017-12159; and Bart Toersche (Simacan) for reporting CVE-2017-12160. The CVE-2017-12197 issue was discovered by Christian Heimes (Red Hat).
    last seen2020-06-01
    modified2020-06-02
    plugin id103956
    published2017-10-19
    reporterThis script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/103956
    titleRHEL 6 : rh-sso7-keycloak (RHSA-2017:2904)

Redhat

advisories
  • rhsa
    idRHSA-2017:2904
  • rhsa
    idRHSA-2017:2905
  • rhsa
    idRHSA-2017:2906
rpms
  • rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el6
  • rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el6
  • rh-sso7-keycloak-0:2.5.14-1.Final_redhat_1.1.jbcs.el7
  • rh-sso7-keycloak-server-0:2.5.14-1.Final_redhat_1.1.jbcs.el7

References