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Gentoo Linux Security Advisory                           GLSA 200604-06
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                                            http://security.gentoo.org/
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  Severity: High
     Title: ClamAV: Multiple vulnerabilities
      Date: April 07, 2006
      Bugs: #128963
        ID: 200604-06

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Synopsis
========

ClamAV contains multiple vulnerabilities that could lead to remote
execution of arbitrary code or cause an application crash.

Background
==========

ClamAV is a GPL virus scanner.

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  app-antivirus/clamav      < 0.88.1                      >= 0.88.1

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

ClamAV contains format string vulnerabilities in the logging code
(CVE-2006-1615). Furthermore Damian Put discovered an integer overflow
in ClamAV's PE header parser (CVE-2006-1614) and David Luyer discovered
that ClamAV can be tricked into performing an invalid memory access
(CVE-2006-1630).

Impact
======

By sending a malicious attachment to a mail server running ClamAV, a
remote attacker could cause a Denial of Service or the execution of
arbitrary code. Note that the overflow in the PE header parser is only
exploitable when the ArchiveMaxFileSize option is disabled.

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-0.88.1"

References
==========

  [ 1 ] CVE-2006-1614
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1614
  [ 2 ] CVE-2006-1615
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1615
  [ 3 ] CVE-2006-1630
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1630

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

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

  http://security.gentoo.org/glsa/glsa-200604-06.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 2006 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/2.0

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