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USN-2212-1: Django vulnerabilities

15 May 2014

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

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Releases

Packages

Details

Stephen Stewart, Michael Nelson, Natalia Bidart and James Westby
discovered that Django improperly removed Vary and Cache-Control headers
from HTTP responses when replying to a request from an Internet Explorer
or Chrome Frame client. An attacker may use this to retrieve private data
or poison caches. This update removes workarounds for bugs in Internet
Explorer 6 and 7. (CVE-2014-1418)

Peter Kuma and Gavin Wahl discovered that Django did not correctly
validate some malformed URLs, which are accepted by some browsers. An
attacker may use this to cause unexpected redirects. An update has been
provided for 12.04 LTS, 12.10, 13.10, and 14.04 LTS; this issue remains
unfixed for 10.04 LTS as no "is_safe_url()" functionality existed in
this version.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04
Ubuntu 13.10
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 10.04

After a standard system update you need to restart Django applications to
make all the necessary changes.

References