Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 / 9.10 : expat vulnerabilities (USN-890-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-890-1. 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(44108);
  script_version("1.17");
  script_cvs_date("Date: 2019/09/19 12:54:26");

  script_cve_id("CVE-2009-2625", "CVE-2009-3560", "CVE-2009-3720");
  script_bugtraq_id(35958, 36097, 37203);
  script_xref(name:"USN", value:"890-1");

  script_name(english:"Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 / 9.10 : expat vulnerabilities (USN-890-1)");
  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:
"Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat
did not properly process malformed XML. If a user or application
linked against Expat were tricked into opening a crafted XML file, an
attacker could cause a denial of service via application crash.
(CVE-2009-2625, CVE-2009-3720)

It was discovered that Expat did not properly process malformed UTF-8
sequences. If a user or application linked against Expat were tricked
into opening a crafted XML file, an attacker could cause a denial of
service via application crash. (CVE-2009-3560).

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/890-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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_cwe_id(119, 264);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:expat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:lib64expat1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:lib64expat1-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libexpat1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libexpat1-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libexpat1-udeb");
  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:8.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:8.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:9.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:9.10");

  script_set_attribute(attribute:"vuln_publication_date", value:"2009/08/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/01/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/01/21");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2010-2019 Canonical, Inc. / NASL script (C) 2010-2019 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:"^(6\.06|8\.04|8\.10|9\.04|9\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 6.06 / 8.04 / 8.10 / 9.04 / 9.10", "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:"expat", pkgver:"1.95.8-3ubuntu0.1")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libexpat1", pkgver:"1.95.8-3ubuntu0.1")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libexpat1-dev", pkgver:"1.95.8-3ubuntu0.1")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libexpat1-udeb", pkgver:"1.95.8-3ubuntu0.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"expat", pkgver:"2.0.1-0ubuntu1.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"lib64expat1", pkgver:"2.0.1-0ubuntu1.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"lib64expat1-dev", pkgver:"2.0.1-0ubuntu1.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libexpat1", pkgver:"2.0.1-0ubuntu1.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libexpat1-dev", pkgver:"2.0.1-0ubuntu1.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libexpat1-udeb", pkgver:"2.0.1-0ubuntu1.1")) flag++;
if (ubuntu_check(osver:"8.10", pkgname:"expat", pkgver:"2.0.1-4ubuntu0.8.10.1")) flag++;
if (ubuntu_check(osver:"8.10", pkgname:"lib64expat1", pkgver:"2.0.1-4ubuntu0.8.10.1")) flag++;
if (ubuntu_check(osver:"8.10", pkgname:"lib64expat1-dev", pkgver:"2.0.1-4ubuntu0.8.10.1")) flag++;
if (ubuntu_check(osver:"8.10", pkgname:"libexpat1", pkgver:"2.0.1-4ubuntu0.8.10.1")) flag++;
if (ubuntu_check(osver:"8.10", pkgname:"libexpat1-dev", pkgver:"2.0.1-4ubuntu0.8.10.1")) flag++;
if (ubuntu_check(osver:"8.10", pkgname:"libexpat1-udeb", pkgver:"2.0.1-4ubuntu0.8.10.1")) flag++;
if (ubuntu_check(osver:"9.04", pkgname:"expat", pkgver:"2.0.1-4ubuntu0.9.04.1")) flag++;
if (ubuntu_check(osver:"9.04", pkgname:"lib64expat1", pkgver:"2.0.1-4ubuntu0.9.04.1")) flag++;
if (ubuntu_check(osver:"9.04", pkgname:"lib64expat1-dev", pkgver:"2.0.1-4ubuntu0.9.04.1")) flag++;
if (ubuntu_check(osver:"9.04", pkgname:"libexpat1", pkgver:"2.0.1-4ubuntu0.9.04.1")) flag++;
if (ubuntu_check(osver:"9.04", pkgname:"libexpat1-dev", pkgver:"2.0.1-4ubuntu0.9.04.1")) flag++;
if (ubuntu_check(osver:"9.04", pkgname:"libexpat1-udeb", pkgver:"2.0.1-4ubuntu0.9.04.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"expat", pkgver:"2.0.1-4ubuntu1.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"lib64expat1", pkgver:"2.0.1-4ubuntu1.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"lib64expat1-dev", pkgver:"2.0.1-4ubuntu1.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"libexpat1", pkgver:"2.0.1-4ubuntu1.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"libexpat1-dev", pkgver:"2.0.1-4ubuntu1.1")) flag++;
if (ubuntu_check(osver:"9.10", pkgname:"libexpat1-udeb", pkgver:"2.0.1-4ubuntu1.1")) 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, "expat / lib64expat1 / lib64expat1-dev / libexpat1 / libexpat1-dev / etc");
}