Ubuntu Security Notice USN-890-1
20th January, 2010
expat vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 9.10
- Ubuntu 9.04
- Ubuntu 8.10
- Ubuntu 8.04 LTS
- Ubuntu 6.06 LTS
Software description
- expat
Details
Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did
not properly process malformed XML. If a user or application linked against
Expat were tricked into opening a crafted XML file, an attacker could cause
a denial of service via application crash. (CVE-2009-2625, CVE-2009-3720)
It was discovered that Expat did not properly process malformed UTF-8
sequences. If a user or application linked against Expat were tricked into
opening a crafted XML file, an attacker could cause a denial of service via
application crash. (CVE-2009-3560)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 9.10:
- lib64expat1 2.0.1-4ubuntu1.1
- libexpat1-udeb 2.0.1-4ubuntu1.1
- libexpat1 2.0.1-4ubuntu1.1
- Ubuntu 9.04:
- lib64expat1 2.0.1-4ubuntu0.9.04.1
- libexpat1-udeb 2.0.1-4ubuntu0.9.04.1
- libexpat1 2.0.1-4ubuntu0.9.04.1
- Ubuntu 8.10:
- lib64expat1 2.0.1-4ubuntu0.8.10.1
- libexpat1-udeb 2.0.1-4ubuntu0.8.10.1
- libexpat1 2.0.1-4ubuntu0.8.10.1
- Ubuntu 8.04 LTS:
- lib64expat1 2.0.1-0ubuntu1.1
- libexpat1-udeb 2.0.1-0ubuntu1.1
- libexpat1 2.0.1-0ubuntu1.1
- Ubuntu 6.06 LTS:
- libexpat1-udeb 1.95.8-3ubuntu0.1
- libexpat1 1.95.8-3ubuntu0.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart any applications linked
against Expat to effect the necessary changes.