[ GLSA 200708-04 ] ClamAV: Denial of Service

[Raphael Marichez <falco () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200708-04
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: ClamAV: Denial of Service
      Date: August 09, 2007
      Bugs: #185013
        ID: 200708-04

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Synopsis
========

A vulnerability has been discovered in ClamAV, allowing for a Denial of
Service.

Background
==========

ClamAV is a GPL virus scanner.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  app-antivirus/clamav       < 0.91                         >= 0.91

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

Metaeye Security Group reported a NULL pointer dereference in ClamAV
when processing RAR archives.

Impact
======

A remote attacker could send a specially crafted RAR archive to the
clamd daemon, resulting in a crash and 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-0.91"

References
==========

  [ 1 ] CVE-2007-3725
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3725

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

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

  http://security.gentoo.org/glsa/glsa-200708-04.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 2007 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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