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Ubuntu 4.10 : imagemagick vulnerability (USN-7-1)

2006-01-15T00:00:00
ID UBUNTU_USN-7-1.NASL
Type nessus
Reporter Tenable
Modified 2016-05-25T00:00:00

Description

A buffer overflow in imagemagick's EXIF parsing routine has been discovered in imagemagick versions prior to 6.1.0. Trying to query EXIF information of a malicious image file might result in execution of arbitrary code with the user's privileges.

Since imagemagick can be used in custom printing systems, this also might lead to privilege escalation (execute code with the printer spooler's privileges). However, Ubuntu's standard printing system does not use imagemagick, thus there is no risk of privilege escalation in a standard installation.

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.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-7-1. 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(20690);
  script_version("$Revision: 1.12 $");
  script_cvs_date("$Date: 2016/05/25 16:34:55 $");

  script_cve_id("CVE-2004-0981");
  script_xref(name:"USN", value:"7-1");

  script_name(english:"Ubuntu 4.10 : imagemagick vulnerability (USN-7-1)");
  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:
"A buffer overflow in imagemagick's EXIF parsing routine has been
discovered in imagemagick versions prior to 6.1.0. Trying to query
EXIF information of a malicious image file might result in execution
of arbitrary code with the user's privileges.

Since imagemagick can be used in custom printing systems, this also
might lead to privilege escalation (execute code with the printer
spooler's privileges). However, Ubuntu's standard printing system does
not use imagemagick, thus there is no risk of privilege escalation in
a standard installation.

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:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:imagemagick");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libmagick++6");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libmagick++6-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libmagick6");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libmagick6-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:perlmagick");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:4.10");

  script_set_attribute(attribute:"patch_publication_date", value:"2004/10/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2006/01/15");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2004-2016 Canonical, Inc. / NASL script (C) 2006-2016 Tenable Network Security, Inc.");
  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:"^(4\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 4.10", "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:"4.10", pkgname:"imagemagick", pkgver:"6.0.2.5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libmagick++6", pkgver:"6.0.2.5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libmagick++6-dev", pkgver:"6.0.2.5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libmagick6", pkgver:"6.0.2.5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"libmagick6-dev", pkgver:"6.0.2.5-1ubuntu1.1")) flag++;
if (ubuntu_check(osver:"4.10", pkgname:"perlmagick", pkgver:"6.0.2.5-1ubuntu1.1")) 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, "imagemagick / libmagick++6 / libmagick++6-dev / libmagick6 / etc");
}
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