=========================================================================Ubuntu Security Notice USN-1560-1
September 10, 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
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-1560-1
CVE-2012-3442, CVE-2012-3443, CVE-2012-3444
Package Information:
https://launchpad.net/ubuntu/+source/python-django/1.3.1-4ubuntu1.2
https://launchpad.net/ubuntu/+source/python-django/1.3-2ubuntu1.3
https://launchpad.net/ubuntu/+source/python-django/1.2.5-1ubuntu1.2
https://launchpad.net/ubuntu/+source/python-django/1.1.1-2ubuntu1.5
