Ubuntu Security Notice USN-794-1
2nd July, 2009
libcompress-raw-zlib-perl, perl vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
Software description
- libcompress-raw-zlib-perl
- perl
Details
It was discovered that the Compress::Raw::Zlib Perl module incorrectly
handled certain zlib compressed streams. If a user or automated system were
tricked into processing a specially crafted compressed stream or file, a
remote attacker could crash the application, leading to a denial of
service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.04:
- libcompress-raw-zlib-perl 2.015-1ubuntu0.1
- perl 5.10.0-19ubuntu1.1
- Ubuntu 8.10:
- libcompress-raw-zlib-perl 2.011-2ubuntu0.1
- perl 5.10.0-11.1ubuntu2.3
- Ubuntu 8.04 LTS:
- libcompress-raw-zlib-perl 2.008-1ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the
necessary changes.