Vulnerabilities > CVE-2011-4031 - Integer Underflow (Wrap or Wraparound) vulnerability in Ffmpeg

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-1478-1. 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(59565);
  script_version("1.8");
  script_cvs_date("Date: 2019/09/19 12:54:28");

  script_cve_id("CVE-2011-3929", "CVE-2011-3936", "CVE-2011-3940", "CVE-2011-3945", "CVE-2011-3947", "CVE-2011-3951", "CVE-2011-3952", "CVE-2011-4031", "CVE-2012-0848", "CVE-2012-0850", "CVE-2012-0851", "CVE-2012-0852", "CVE-2012-0853", "CVE-2012-0858", "CVE-2012-0859", "CVE-2012-0947");
  script_bugtraq_id(51307, 51720, 53389);
  script_xref(name:"USN", value:"1478-1");

  script_name(english:"Ubuntu 11.04 / 11.10 / 12.04 LTS : libav vulnerabilities (USN-1478-1)");
  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:
"Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly
handled certain malformed DV files. If a user were tricked into
opening a crafted DV file, an attacker could cause a denial of service
via application crash, or possibly execute arbitrary code with the
privileges of the user invoking the program. This issue only affected
Ubuntu 11.10. (CVE-2011-3929, CVE-2011-3936)

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly
handled certain malformed NSV files. If a user were tricked into
opening a crafted NSV file, an attacker could cause a denial of
service via application crash, or possibly execute arbitrary code with
the privileges of the user invoking the program. This issue only
affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3940)

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly
handled certain malformed Kega Game Video (KGV1) files. If a user were
tricked into opening a crafted Kega Game Video (KGV1) file, an
attacker could cause a denial of service via application crash, or
possibly execute arbitrary code with the privileges of the user
invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu
11.10. (CVE-2011-3945)

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly
handled certain malformed MJPEG-B files. If a user were tricked into
opening a crafted MJPEG-B file, an attacker could cause a denial of
service via application crash, or possibly execute arbitrary code with
the privileges of the user invoking the program. This issue only
affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3947)

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly
handled certain malformed DPCM files. If a user were tricked into
opening a crafted DPCM file, an attacker could cause a denial of
service via application crash, or possibly execute arbitrary code with
the privileges of the user invoking the program. This issue only
affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3951)

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly
handled certain malformed KMVC files. If a user were tricked into
opening a crafted KMVC file, an attacker could cause a denial of
service via application crash, or possibly execute arbitrary code with
the privileges of the user invoking the program. This issue only
affected Ubuntu 11.04 and Ubuntu 11.10. (CVE-2011-3952)

Jeong Wook Oh discovered that Libav incorrectly handled certain
malformed ASF files. If a user were tricked into opening a crafted ASF
file, an attacker could cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the
user invoking the program. This issue only affected Ubuntu 11.10.
(CVE-2011-4031)

It was discovered that Libav incorrectly handled certain malformed
Westwood SNDx files. If a user were tricked into opening a crafted
Westwood SNDx file, an attacker could cause a denial of service via
application crash, or possibly execute arbitrary code with the
privileges of the user invoking the program. This issue only affected
Ubuntu 11.10. (CVE-2012-0848)

Diana Elena Muscalu discovered that Libav incorrectly handled certain
malformed AAC files. If a user were tricked into opening a crafted AAC
file, an attacker could cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the
user invoking the program. This issue only affected Ubuntu 11.04 and
Ubuntu 11.10. (CVE-2012-0850)

It was discovered that Libav incorrectly handled certain malformed
H.264 files. If a user were tricked into opening a crafted H.264 file,
an attacker could cause a denial of service via application crash, or
possibly execute arbitrary code with the privileges of the user
invoking the program. (CVE-2012-0851)

It was discovered that Libav incorrectly handled certain malformed
ADPCM files. If a user were tricked into opening a crafted ADPCM file,
an attacker could cause a denial of service via application crash, or
possibly execute arbitrary code with the privileges of the user
invoking the program. This issue only affected Ubuntu 11.04 and Ubuntu
11.10. (CVE-2012-0852)

It was discovered that Libav incorrectly handled certain malformed
Atrac 3 files. If a user were tricked into opening a crafted Atrac 3
file, an attacker could cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the
user invoking the program. This issue only affected Ubuntu 11.04 and
Ubuntu 11.10. (CVE-2012-0853)

It was discovered that Libav incorrectly handled certain malformed
Shorten files. If a user were tricked into opening a crafted Shorten
file, an attacker could cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the
user invoking the program. This issue only affected Ubuntu 11.04 and
Ubuntu 11.10. (CVE-2012-0858)

It was discovered that Libav incorrectly handled certain malformed
Vorbis files. If a user were tricked into opening a crafted Vorbis
file, an attacker could cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the
user invoking the program. This issue only affected Ubuntu 11.04 and
Ubuntu 11.10. (CVE-2012-0859)

Fabian Yamaguchi discovered that Libav incorrectly handled certain
malformed VQA files. If a user were tricked into opening a crafted VQA
file, an attacker could cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the
user invoking the program. (CVE-2012-0947).

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/1478-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  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:canonical:ubuntu_linux:libavcodec52");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libavcodec53");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libavformat52");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libavformat53");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/05/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/06/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/06/19");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2012-2019 Canonical, Inc. / NASL script (C) 2012-2019 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:"^(11\.04|11\.10|12\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 11.04 / 11.10 / 12.04", "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:"11.04", pkgname:"libavcodec52", pkgver:"4:0.6.6-0ubuntu0.11.04.1")) flag++;
if (ubuntu_check(osver:"11.04", pkgname:"libavformat52", pkgver:"4:0.6.6-0ubuntu0.11.04.1")) flag++;
if (ubuntu_check(osver:"11.10", pkgname:"libavcodec53", pkgver:"4:0.7.6-0ubuntu0.11.10.1")) flag++;
if (ubuntu_check(osver:"11.10", pkgname:"libavformat53", pkgver:"4:0.7.6-0ubuntu0.11.10.1")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libavcodec53", pkgver:"4:0.8.3-0ubuntu0.12.04.1")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libavformat53", pkgver:"4:0.8.3-0ubuntu0.12.04.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    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, "libavcodec52 / libavcodec53 / libavformat52 / libavformat53");
}