Vulnerabilities > CVE-2005-2409 - Remote Format String vulnerability in No-Brainer SMTP Client Log_Msg()

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
nbsmtp
nessus
exploit available

Summary

Format string vulnerability in util.c in nbsmtp 0.99 and earlier, while running in debug mode, allows remote attackers to execute arbitrary code via format string specifiers that are not properly handled in a syslog call.

Vulnerable Configurations

Part Description Count
Application
Nbsmtp
1

Exploit-Db

descriptionnbSMTP <= 0.99 (util.c) Client-Side Command Execution Exploit. CVE-2005-2409. Remote exploit for linux platform
idEDB-ID:1138
last seen2016-01-31
modified2005-08-05
published2005-08-05
reporterCoKi
sourcehttps://www.exploit-db.com/download/1138/
titlenbSMTP <= 0.99 util.c Client-Side Command Execution Exploit

Nessus

NASL familyGentoo Local Security Checks
NASL idGENTOO_GLSA-200508-03.NASL
descriptionThe remote host is affected by the vulnerability described in GLSA-200508-03 (nbSMTP: Format string vulnerability) Niels Heinen discovered a format string vulnerability. Impact : An attacker can setup a malicious SMTP server and exploit this vulnerability to execute arbitrary code with the permissions of the user running nbSMTP. Workaround : There is no known workaround at this time.
last seen2020-06-01
modified2020-06-02
plugin id19366
published2005-08-02
reporterThis script is Copyright (C) 2005-2019 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/19366
titleGLSA-200508-03 : nbSMTP: Format string vulnerability
code
#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 200508-03.
#
# The advisory text is Copyright (C) 2001-2018 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(19366);
  script_version("1.15");
  script_cvs_date("Date: 2019/08/02 13:32:42");

  script_cve_id("CVE-2005-2409");
  script_xref(name:"GLSA", value:"200508-03");

  script_name(english:"GLSA-200508-03 : nbSMTP: Format string vulnerability");
  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-200508-03
(nbSMTP: Format string vulnerability)

    Niels Heinen discovered a format string vulnerability.
  
Impact :

    An attacker can setup a malicious SMTP server and exploit this
    vulnerability to execute arbitrary code with the permissions of the
    user running nbSMTP.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://nbsmtp.ferdyx.org/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200508-03"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All nbSMTP users should upgrade to the latest version:
    # emerge --sync
    # emerge --ask --oneshot --verbose '>=mail-mta/nbsmtp-1.0'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

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

  script_set_attribute(attribute:"patch_publication_date", value:"2005/08/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/08/02");
  script_set_attribute(attribute:"vuln_publication_date", value:"2005/07/28");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2019 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:"mail-mta/nbsmtp", unaffected:make_list("ge 1.00"), vulnerable:make_list("lt 1.00"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nbSMTP");
}