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USN-1066-1: Django vulnerabilities

17 February 2011

Attackers could use Django to perform web-based attacks.




It was discovered that Django did not properly validate HTTP requests that
contain an X-Requested-With header. An attacker could exploit this
vulnerability to perform cross-site request forgery (CSRF) attacks.

It was discovered that Django did not properly sanitize its input when
performing file uploads, resulting in cross-site scripting (XSS)
vulnerabilities. With cross-site scripting vulnerabilities, if a user were
tricked into viewing server output during a crafted server request, a
remote attacker could exploit this to modify the contents, or steal
confidential data, within the same domain. (CVE-2011-0697)

Update instructions

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

Ubuntu 9.10
Ubuntu 10.10
Ubuntu 10.04

ATTENTION: This update introduces a small backwards-imcompatible change
to perform full CSRF validation on all requests. Prior to this update,
AJAX requests were excepted from CSRF protections. For more details, please

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