USN-1560-1: Django vulnerabilities

10 September 2012

python-django vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04 LTS

Summary

Applications using Django could be made to crash or expose sensitive information.

Software Description

  • python-django - High-level Python web development framework

Details

It was discovered that Django incorrectly validated the scheme of a redirect target. If a user were tricked into opening a specially crafted URL, an attacker could possibly exploit this to conduct cross-site scripting (XSS) attacks. (CVE-2012-3442)

It was discovered that Django incorrectly handled validating certain images. A remote attacker could use this flaw to cause the server to consume memory, leading to a denial of service. (CVE-2012-3443)

Jeroen Dekkers discovered that Django incorrectly handled certain image dimensions. A remote attacker could use this flaw to cause the server to consume resources, leading to a denial of service. (CVE-2012-3444)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04 LTS
python-django - 1.3.1-4ubuntu1.2
Ubuntu 11.10
python-django - 1.3-2ubuntu1.3
Ubuntu 11.04
python-django - 1.2.5-1ubuntu1.2
Ubuntu 10.04 LTS
python-django - 1.1.1-2ubuntu1.5

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References