USN-890-3: Python 2.4 vulnerabilities

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.

References

CVE-2009-3560, CVE-2009-3720