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Debian Security Advisory DSA 730-1 security@debian.org
http://www.debian.org/security/ Martin Schulze
May 27th, 2005 http://www.debian.org/security/faq
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Package : bzip2
Vulnerability : race condition
Problem-Type : local
Debian-specific: no
CVE ID : CAN-2005-0953
Debian Bug : 303300
Imran Ghory discovered a race condition in bzip2, a high-quality block-sorting file compressor and decompressor. When decompressing a file in a directory an attacker has access to, bunzip2 could be tricked to set the file permissions to a different file the user has permissions to.
For the stable distribution (woody) this problem has been fixed in version 1.0.2-1.woody2
For the testing distribution (sarge) this problem has been fixed in version 1.0.2-6.
For the unstable distribution (sid) this problem has been fixed in version 1.0.2-6.
We recommend that you upgrade your bzip2 packages.