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Debian Testing Security Advisory DTSA-21-1              November 3rd, 2005
secure-testing-team@lists.alioth.debian.org                 Micah Anderson
http://secure-testing-master.debian.net/
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Package        : clamav
Vulnerability  : Denial of service vulnerabilities and buffer overflow
Problem-Scope  : remote
Debian-specific: No
CVE ID         : CVE-2005-3239 CVE-2005-3500 CVE-2005-3501 CVE-2005-3303 


Multiple security holes were found in clamav:

CVE-2005-3239

  The OLE2 unpacker allows remote attackers to cause a denial of service 
  by sending a DOC file with an invalid property tree, triggering 
  an infinite recursion.

CVE-2005-3500

  The tnef_attachment function in Clam AntiVirus before 0.87.1
  allows remote attackers to cause a denial of service, through
  an infinate loop and memory exhaustion, by crafting a CAB file
  with a value that causes ClamAV to repeatedly scan the same block

CVE-2005-3501

  The cabd_find function in of the libmspack library in Clam AntiVirus
  before 0.87.1 allows remote attackers to cause a denial of service
  via a crafted CAB file that causes cabd_find to be called with a zero
  length.

CVE-2005-3303

  The FSB unpacker in Clam AntiVirus 0.80 through 0.87 allows
  remote attackers to cause memory corruption and execute arbitrary
  code via a crafted FSG 1.33 file.

For the testing distribution (etch) this is fixed in version
0.87.1-0etch.1

For the unstable distribution (sid) this is fixed in version
0.87.1

This upgrade is recommended if you use clamav.

The Debian testing security team does not track security issues for the
stable (sarge) and oldstable (woody) distributions. If stable is vulnerable,
the Debian security team will make an announcement once a fix is ready.

Upgrade Instructions
- --------------------

To use the Debian testing security archive, add the following lines to
your /etc/apt/sources.list:

deb http://secure-testing.debian.net/debian-secure-testingetch/security-updates main contrib non-free
deb-src http://secure-testing.debian.net/debian-secure-testingetch/security-updates main contrib non-free

The archive signing key can be downloaded from
http://secure-testing-master.debian.net/ziyi-2005-7.asc

To install the update, run this command as root:

apt-get update && apt-get upgrade

For further information about the Debian testing security team, please refer
to http://secure-testing-master.debian.net/
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