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TUCoPS :: Security App Flaws :: bx3240.htm

ClamAV: Multiple vulnerabilities



ClamAV: Multiple vulnerabilities
ClamAV: Multiple vulnerabilities



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Gentoo Linux Security Advisory                           GLSA 200805-19
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http://security.gentoo.org/ 
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  Severity: High
     Title: ClamAV: Multiple vulnerabilities
      Date: May 20, 2008
      Bugs: #213762
        ID: 200805-19

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Synopsis
=======
Multiple vulnerabilities in ClamAV may result in the remote execution
of arbitrary code.

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       < 0.93                         >= 0.93

Description
==========
Multiple vulnerabilities have been reported:

* Damian Put reported a heap-based buffer overflow when processing
  PeSpin packed PE binaries (CVE-2008-0314).

* Alin Rad Pop of Secunia Research reported a buffer overflow in the
  cli_scanpe() function when processing Upack PE binaries
  (CVE-2008-1100).

* Hanno Boeck reported an infinite loop when processing ARJ archives
  (CVE-2008-1387).

* Damian Put and Thomas Pollet reported a heap-based buffer overflow
  when processing WWPack compressed PE binaries (CVE-2008-1833).

* A buffer over-read was discovered in the rfc2231() function when
  producing a string that is not NULL terminated (CVE-2008-1836).

* An unspecified vulnerability leading to "memory problems" when
  scanning RAR files was reported (CVE-2008-1837).

* Thierry Zoller reported that scanning of RAR files could be
  circumvented (CVE-2008-1835).

Impact
=====
A remote attacker could entice a user or automated system to scan a
specially crafted file, possibly leading to the execution of arbitrary
code with the privileges of the user running ClamAV (either a system
user or the "clamav" user if clamd is compromised), 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-0.93"

References
=========
  [ 1 ] CVE-2008-0314
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0314 
  [ 2 ] CVE-2008-1100
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1100 
  [ 3 ] CVE-2008-1387
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1387 
  [ 4 ] CVE-2008-1833
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1833 
  [ 5 ] CVE-2008-1835
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1835 
  [ 6 ] CVE-2008-1836
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1836 
  [ 7 ] CVE-2008-1837
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1837 

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

http://security.gentoo.org/glsa/glsa-200805-19.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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