Ubuntu 12.04 LTS USN-1560-1 Critical: Django DoS and XSS Threats

ubuntu

September 10, 2012

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

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)

Topics Covered

security advisory critical issue software update cross-site scripting doS ubuntu python-django

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

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