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Ubuntu: Security update for Django

James Kettle discovered Django did not properly filter the Host HTTP header when processing certain requests. An attacker could exploit this to generate and display arbitrary URLs to users.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1632-1
November 15, 2012

python-django vulnerability
==========================================================================

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

- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 10.04 LTS

Summary:

Django could be made to expose sensitive information over the network.

Software Description:
- python-django: High-level Python web development framework

Details:

James Kettle discovered Django did not properly filter the Host HTTP header
when processing certain requests. An attacker could exploit this to
generate and display arbitrary URLs to users.

Update instructions:

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

Ubuntu 12.10:
 python-django                   1.4.1-2ubuntu0.1

Ubuntu 12.04 LTS:
 python-django                   1.3.1-4ubuntu1.3

Ubuntu 11.10:
 python-django                   1.3-2ubuntu1.4

Ubuntu 10.04 LTS:
 python-django                   1.1.1-2ubuntu1.6

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

References:
 http://www.ubuntu.com/usn/usn-1632-1
 CVE-2012-4520

Package Information:
 https://launchpad.net/ubuntu/+source/python-django/1.4.1-2ubuntu0.1
 https://launchpad.net/ubuntu/+source/python-django/1.3.1-4ubuntu1.3
 https://launchpad.net/ubuntu/+source/python-django/1.3-2ubuntu1.4
 https://launchpad.net/ubuntu/+source/python-django/1.1.1-2ubuntu1.6
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