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nessusUbuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof.UBUNTU_USN-538-1.NASL
HistoryNov 10, 2007 - 12:00 a.m.

Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : libpng vulnerabilities (USN-538-1)

2007-11-1000:00:00
Ubuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
9

It was discovered that libpng did not properly perform bounds checking and comparisons in certain operations. An attacker could send a specially crafted PNG image and cause a denial of service in applications linked against libpng.

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.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-538-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(28145);
  script_version("1.16");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2007-5266", "CVE-2007-5267", "CVE-2007-5268", "CVE-2007-5269");
  script_xref(name:"USN", value:"538-1");

  script_name(english:"Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : libpng vulnerabilities (USN-538-1)");
  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:
"It was discovered that libpng did not properly perform bounds checking
and comparisons in certain operations. An attacker could send a
specially crafted PNG image and cause a denial of service in
applications linked against libpng.

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/538-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected libpng12-0, libpng12-dev and / or libpng3
packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_cwe_id(20, 189);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpng12-0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpng12-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libpng3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.06:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:7.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:7.10");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/10/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/11/10");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 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 (! ereg(pattern:"^(6\.06|6\.10|7\.04|7\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 6.06 / 6.10 / 7.04 / 7.10", "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:"6.06", pkgname:"libpng12-0", pkgver:"1.2.8rel-5ubuntu0.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libpng12-dev", pkgver:"1.2.8rel-5ubuntu0.3")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libpng3", pkgver:"1.2.8rel-5ubuntu0.3")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libpng12-0", pkgver:"1.2.8rel-5.1ubuntu0.3")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libpng12-dev", pkgver:"1.2.8rel-5.1ubuntu0.3")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libpng3", pkgver:"1.2.8rel-5.1ubuntu0.3")) flag++;
if (ubuntu_check(osver:"7.04", pkgname:"libpng12-0", pkgver:"1.2.15~beta5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"7.04", pkgname:"libpng12-dev", pkgver:"1.2.15~beta5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"7.04", pkgname:"libpng3", pkgver:"1.2.15~beta5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"7.10", pkgname:"libpng12-0", pkgver:"1.2.15~beta5-2ubuntu0.1")) flag++;
if (ubuntu_check(osver:"7.10", pkgname:"libpng12-dev", pkgver:"1.2.15~beta5-2ubuntu0.1")) flag++;
if (ubuntu_check(osver:"7.10", pkgname:"libpng3", pkgver:"1.2.15~beta5-2ubuntu0.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    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, "libpng12-0 / libpng12-dev / libpng3");
}
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