Ubuntu Security Notice USN-561-1
8th January, 2008
pwlib vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 7.10
- Ubuntu 7.04
- Ubuntu 6.10
- Ubuntu 6.06 LTS
Software description
- pwlib
Details
Jose Miguel Esparza discovered that pwlib did not correctly handle large
string lengths. A remote attacker could send specially crafted packets to
applications linked against pwlib (e.g. Ekiga) causing them to crash, leading
to a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 7.10:
- libpt-1.10.0 1.10.10-0ubuntu2.1
- Ubuntu 7.04:
- libpt-1.10.0 1.10.3-0ubuntu1.1
- Ubuntu 6.10:
- libpt-1.10.0 1.10.2.dfsg-0ubuntu3.1
- Ubuntu 6.06 LTS:
- libpt-1.10.0 1.10.0-1ubuntu1.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart your session to effect
the necessary changes.