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Gentoo Linux Security Advisory                           GLSA 200812-21
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http://security.gentoo.org/ 
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    Severity: High
       Title: ClamAV: Multiple vulnerabilities
        Date: December 23, 2008
        Bugs: #245450, #249833
          ID: 200812-21

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Synopsis
=======
Two vulnerabilities in ClamAV may allow for the remote execution of
arbitrary code or a Denial of Service.

Background
=========
Clam AntiVirus is a free anti-virus toolkit for UNIX, designed
especially for e-mail scanning on mail gateways.

Affected packages
================
      -------------------------------------------------------------------
       Package               /  Vulnerable  /                 Unaffected
      -------------------------------------------------------------------
    1  app-antivirus/clamav      < 0.94.2                      >= 0.94.2

Description
==========
Moritz Jodeit reported an off-by-one error within the
get_unicode_name() function in libclamav/vba_extract.c when processing
VBA project files (CVE-2008-5050). Ilja van Sprundel reported an
infinite recursion error within the cli_check_jpeg_exploit() function
in libclamav/special.c when processing JPEG files (CVE-2008-5314).

Impact
=====
A remote attacker could send a specially crafted VBA or JPEG file to
the clamd daemon, possibly resulting in the remote execution of
arbitrary code with the privileges of the user running the application
or a Denial of Service.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All ClamAV users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.94.2"

References
=========
    [ 1 ] CVE-2008-5050
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5050 
    [ 2 ] CVE-2008-5314
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5314 

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

http://security.gentoo.org/glsa/glsa-200812-21.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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