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Debian Testing Security Advisory DTSA-29-1                 June 15th, 2006
secure-testing-team@lists.alioth.debian.org                  Neil McGovern
http://secure-testing-master.debian.net/
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Package        : Blender
Vulnerability  : heap-based buffer overflow
Problem-Scope  : remote
Debian-specific: No
CVE ID         : CVE-2005-4470 

A heap-based buffer overflow vulnerability was discovered by Damian Put in
Blender BlenLoader 2.0 through 2.40pre which allows remote attackers to cause a
denial of service (application crash) and possibly execute arbitrary code via a
.blend file with a negative bhead.len value, which causes less memory to be
allocated than expected, possibly due to an integer overflow.

Please note, this issue has already been fixed in stable and unstable in
security announcement DSA-1039-1

For the testing distribution (etch) this is fixed in version
2.37a-1.1etch1

For the unstable distribution (sid) has already been fixed in version
2.40-1

This upgrade is recommended if you use Blender.

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://security.debian.org/ testing/updates main contrib non-free
deb-src http://security.debian.org/ testing/updates main contrib non-free

To install the update, run this command as root:

apt-get update && apt-get install blender

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