Vulnerabilities > CVE-2005-0226 - Remote Format String vulnerability in Ngircd 0.8.2

#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");

if(description)
{
 script_id(16310);
 script_version ("1.12");
 script_cve_id("CVE-2005-0226");
 script_bugtraq_id(12434);
 
 script_name(english:"ngIRCd < 0.8.3 Log_Resolver() Format String");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote chat server is affected by a format string vulnerability." );
 script_set_attribute(attribute:"description", value:
"According to its banner, the version of the ngIRCd chat service
running on the remote host contains a format string vulnerability.  If
it was compiled with IDENT, DEBUG is enabled, and it's logging to
SYSLOG, a remote attacker can leverage this issue to execute arbitrary
code on the remote host subject to the privileges under which the
service operates, which is 'root' by default." );
 script_set_attribute(attribute:"see_also", value:"https://marc.info/?l=bugtraq&m=110746413108183&w=2" );
 script_set_attribute(attribute:"see_also", value:"http://ngircd.barton.de/doc/ChangeLog" );
 script_set_attribute(attribute:"see_also", value:"https://arthur.barton.de/pipermail/ngircd-ml/2005-February/000234.html" );
 script_set_attribute(attribute:"solution", value:
"Upgrade to ngIRCd 0.8.3 or later." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C");
 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_publication_date", value: "2005/02/03");
 script_set_attribute(attribute:"vuln_publication_date", value: "2005/02/02");
 script_cvs_date("Date: 2018/11/15 20:50:22");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();

 
 script_summary(english:"checks the version of the remote ircd");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2005-2018 Tenable Network Security, Inc.");
 script_family(english:"Gain a shell remotely");
 script_dependencie("ircd.nasl");
 script_require_ports("Services/irc", 6667);
 exit(0);
}

#

port = get_kb_item("Services/irc");
if (!port) port = 6667;
if(! get_port_state(port)) exit(0);

key = string("irc/banner/", port);
banner = get_kb_item(key);
if(!banner)exit(0);

if(egrep(pattern:".*ngircd-0\.([0-7]\.|8\.[0-2][^0-9]).*", string:banner)) 
{
 security_hole(port);
 exit(0);
}

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2018 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
#    published online in any format, converted to PDF, PostScript,
#    RTF and other formats) must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.
# 
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include("compat.inc");

if (description)
{
  script_id(19100);
  script_version("1.17");
  script_cvs_date("Date: 2019/08/02 13:32:37");

  script_cve_id("CVE-2005-0226");
  script_bugtraq_id(12434);

  script_name(english:"FreeBSD : ngircd -- format string vulnerability (bc4a7efa-7d9a-11d9-a9e7-0001020eed82)");
  script_summary(english:"Checks for updated package in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote FreeBSD host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A No System Group security advisory reports that ngircd is vulnerable
to a format string vulnerability in the Log_Resolver() function of
log.c, if IDENT support is enabled. This could allow a remote attacker
to execute arbitrary code with the permissions of the ngircd daemon,
which is root by default.

Note: By default the FreeBSD ngircd port does not enable IDENT
support."
  );
  # http://marc.theaimsgroup.com/?l=bugtraq&m=110746413108183
  script_set_attribute(
    attribute:"see_also",
    value:"https://marc.info/?l=bugtraq&m=110746413108183"
  );
  # https://vuxml.freebsd.org/freebsd/bc4a7efa-7d9a-11d9-a9e7-0001020eed82.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?48c43904"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:U/RC:ND");
  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:freebsd:freebsd:ngircd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/02/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2005/02/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/07/13");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"FreeBSD Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


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


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (pkg_test(save_report:TRUE, pkg:"ngircd<0.8.3")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");