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FW: [ GLSA 200804-01 ] CUPS: Multiple vulnerabilities
From: winsoc <winsoc () googlemail com>
Date: Tue, 1 Apr 2008 22:03:50 +0100

Nice find though

-----Original Message-----
From: winsoc [mailto:winsoc () gmail com] 
Sent: 01 April 2008 22:03
To: 'Robert Buchholz'
Subject: RE: [Full-disclosure] [ GLSA 200804-01 ] CUPS: Multiple
vulnerabilities

Hey, I'm curious as to why this service is available as default- especially
on Suse OS.
I mean this is not M$ shit we're talking about, did someone oversee this or
what...

-----Original Message-----
From: full-disclosure-bounces () lists grok org uk
[mailto:full-disclosure-bounces () lists grok org uk] On Behalf Of Robert
Buchholz
Sent: 01 April 2008 20:17
To: gentoo-announce () gentoo org
Cc: full-disclosure () lists grok org uk; bugtraq () securityfocus com;
security-alerts () linuxsecurity com
Subject: [Full-disclosure] [ GLSA 200804-01 ] CUPS: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 200804-01
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                                            http://security.gentoo.org/
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  Severity: High
     Title: CUPS: Multiple vulnerabilities
      Date: April 01, 2008
      Bugs: #211449, #212364, #214068
        ID: 200804-01

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Synopsis
========

Multiple vulnerabilities have been discovered in CUPS, allowing for the
remote execution of arbitrary code and a Denial of Service.

Background
==========

CUPS provides a portable printing layer for UNIX-based operating systems.

Affected packages
=================

    -------------------------------------------------------------------
     Package         /   Vulnerable   /                     Unaffected
    -------------------------------------------------------------------
  1  net-print/cups      < 1.2.12-r7                      >= 1.2.12-r7

Description
===========

Multiple vulnerabilities have been reported in CUPS:

* regenrecht (VeriSign iDefense) discovered that the
  cgiCompileSearch() function used in several CGI scripts in CUPS'
  administration interface does not correctly calculate boundaries when
  processing a user-provided regular expression, leading to a
  heap-based buffer overflow (CVE-2008-0047).

* Helge Blischke reported a double free() vulnerability in the
  process_browse_data() function when adding or removing remote shared
  printers (CVE-2008-0882).

* Tomas Hoger (Red Hat) reported that the gif_read_lzw() function
  uses the code_size value from GIF images without properly checking
  it, leading to a buffer overflow (CVE-2008-1373).

* An unspecified input validation error was discovered in the HP-GL/2
  filter (CVE-2008-0053).

Impact
======

A local attacker could send specially crafted network packets or print jobs
and possibly execute arbitrary code with the privileges of the user running
CUPS (usually lp), or cause a Denial of Service. The vulnerabilities are
exploitable via the network when CUPS is sharing printers remotely.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All CUPS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-print/cups-1.2.12-r7"

References
==========

  [ 1 ] CVE-2008-0047
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0047
  [ 2 ] CVE-2008-0053
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0053
  [ 3 ] CVE-2008-0882
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0882
  [ 4 ] CVE-2008-1373
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1373

Availability
============

This GLSA and any updates to it are available for viewing at the Gentoo
Security Website:

  http://security.gentoo.org/glsa/glsa-200804-01.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the confidentiality
and security of our users machines is of utmost importance to us. Any
security concerns should be addressed to security () gentoo org or
alternatively, you may file a bug at http://bugs.gentoo.org.

License
=======

Copyright 2008 Gentoo Foundation, Inc; referenced text belongs to its
owner(s).

The contents of this document are licensed under the Creative Commons -
Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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