Debian DSA-2852-1 : libgadu - heap-based buffer overflow

2014-02-07T00:00:00
ID DEBIAN_DSA-2852.NASL
Type nessus
Reporter Tenable
Modified 2018-11-28T00:00:00

Description

Yves Younan and Ryan Pentney discovered that libgadu, a library for accessing the Gadu-Gadu instant messaging service, contained an integer overflow leading to a buffer overflow. Attackers which impersonate the server could crash clients and potentially execute arbitrary code.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-2852. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(72375);
  script_version("1.5");
  script_cvs_date("Date: 2018/11/28 22:47:42");

  script_cve_id("CVE-2013-6487");
  script_bugtraq_id(65188);
  script_xref(name:"DSA", value:"2852");

  script_name(english:"Debian DSA-2852-1 : libgadu - heap-based buffer overflow");
  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:
"Yves Younan and Ryan Pentney discovered that libgadu, a library for
accessing the Gadu-Gadu instant messaging service, contained an
integer overflow leading to a buffer overflow. Attackers which
impersonate the server could crash clients and potentially execute
arbitrary code."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/squeeze/libgadu"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/wheezy/libgadu"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2014/dsa-2852"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the libgadu packages.

For the oldstable distribution (squeeze), this problem has been fixed
in version 1:1.9.0-2+squeeze2.

For the stable distribution (wheezy), this problem has been fixed in
version 1:1.11.2-1+deb7u1."
  );
  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:U/RL:OF/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:libgadu");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2014/02/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/02/07");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2014-2018 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:"6.0", prefix:"libgadu-dev", reference:"1:1.9.0-2+squeeze2")) flag++;
if (deb_check(release:"6.0", prefix:"libgadu-doc", reference:"1:1.9.0-2+squeeze2")) flag++;
if (deb_check(release:"6.0", prefix:"libgadu3", reference:"1:1.9.0-2+squeeze2")) flag++;
if (deb_check(release:"6.0", prefix:"libgadu3-dbg", reference:"1:1.9.0-2+squeeze2")) flag++;
if (deb_check(release:"7.0", prefix:"libgadu-dev", reference:"1:1.11.2-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libgadu-doc", reference:"1:1.11.2-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libgadu3", reference:"1:1.11.2-1+deb7u1")) flag++;
if (deb_check(release:"7.0", prefix:"libgadu3-dbg", reference:"1:1.11.2-1+deb7u1")) flag++;

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