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TUCoPS :: Security App Flaws :: tb11995.htm

ClamAV: Denial of Service



ClamAV: Denial of Service
ClamAV: Denial of Service




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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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