USN-890-2: Python 2.5 vulnerabilities

21 January 2010

Python 2.5 vulnerabilities

Releases

Packages

  • python2.5 -

Details

USN-890-1 fixed vulnerabilities in Expat. This update provides the
corresponding updates for the PyExpat module in Python 2.5.

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 versions:

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04

After a standard system upgrade you need to restart any Python applications
that use the PyExpat module to effect the necessary changes.