Ubuntu 12.04 LTS / 12.10 / 13.04 : icu vulnerabilities (USN-1989-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-1989-1. 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(70452);
  script_version("1.12");
  script_cvs_date("Date: 2019/09/19 12:54:29");

  script_cve_id("CVE-2013-0900", "CVE-2013-2924");
  script_bugtraq_id(58318, 62968);
  script_xref(name:"USN", value:"1989-1");

  script_name(english:"Ubuntu 12.04 LTS / 12.10 / 13.04 : icu vulnerabilities (USN-1989-1)");
  script_summary(english:"Checks dpkg output for updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Ubuntu host is missing a security-related patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that ICU contained a race condition affecting multi-
threaded applications. If an application using ICU processed crafted
data, an attacker could cause it to crash or potentially execute
arbitrary code with the privileges of the user invoking the program.
This issue only affected Ubuntu 12.04 LTS and Ubuntu 12.10.
(CVE-2013-0900)

It was discovered that ICU incorrectly handled memory operations. If
an application using ICU processed crafted data, an attacker could
cause it to crash or potentially execute arbitrary code with the
privileges of the user invoking the program. (CVE-2013-2924).

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/1989-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected libicu48 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: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:libicu48");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:13.04");

  script_set_attribute(attribute:"vuln_publication_date", value:"2013/02/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/10/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/10/16");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2013-2019 Canonical, Inc. / NASL script (C) 2013-2019 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:"^(12\.04|12\.10|13\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 12.04 / 12.10 / 13.04", "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:"12.04", pkgname:"libicu48", pkgver:"4.8.1.1-3ubuntu0.1")) flag++;
if (ubuntu_check(osver:"12.10", pkgname:"libicu48", pkgver:"4.8.1.1-8ubuntu0.1")) flag++;
if (ubuntu_check(osver:"13.04", pkgname:"libicu48", pkgver:"4.8.1.1-12ubuntu0.1")) 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, "libicu48");
}