Ubuntu Security Notice USN-890-3
22nd January, 2010
python2.4 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
- python2.4
Details
USN-890-1 fixed vulnerabilities in Expat. This update provides the
corresponding updates for the PyExpat module in Python 2.4.
Original advisory 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:
- python2.4-minimal 2.4.6-1ubuntu3.2.9.10.1
- python2.4 2.4.6-1ubuntu3.2.9.10.1
- Ubuntu 9.04:
- python2.4-minimal 2.4.6-1ubuntu3.2.9.04.1
- python2.4 2.4.6-1ubuntu3.2.9.04.1
- Ubuntu 8.10:
- python2.4-minimal 2.4.5-5ubuntu1.2
- python2.4 2.4.5-5ubuntu1.2
- Ubuntu 8.04 LTS:
- python2.4-minimal 2.4.5-1ubuntu4.3
- python2.4 2.4.5-1ubuntu4.3
- Ubuntu 6.06 LTS:
- python2.4-minimal 2.4.3-0ubuntu6.4
- python2.4 2.4.3-0ubuntu6.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart any Python 2.4
applications that use the PyExpat module to effect the necessary changes.