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Ubuntu Security Notice USN-2431-1
December 03, 2014

mod-wsgi vulnerability
==========================================================================

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

– Ubuntu 14.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

mod_wsgi could be made to run programs with incorrect privileges.

Software Description:
– mod-wsgi: Python WSGI adapter module for Apache

Details:

It was discovered that mod_wsgi incorrectly handled errors when setting up
the working directory and group access rights. A malicious application
could possibly use this issue to cause a local privilege escalation when
using daemon mode.

Update instructions:

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

Ubuntu 14.10:
libapache2-mod-wsgi 3.5-1ubuntu0.1
libapache2-mod-wsgi-py3 3.5-1ubuntu0.1

Ubuntu 14.04 LTS:
libapache2-mod-wsgi 3.4-4ubuntu2.1.14.04.2
libapache2-mod-wsgi-py3 3.4-4ubuntu2.1.14.04.2

Ubuntu 12.04 LTS:
libapache2-mod-wsgi 3.3-4ubuntu0.2
libapache2-mod-wsgi-py3 3.3-4ubuntu0.2

After a standard system update you need to restart your web service to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2431-1
CVE-2014-8583

Package Information:
https://launchpad.net/ubuntu/+source/mod-wsgi/3.5-1ubuntu0.1
https://launchpad.net/ubuntu/+source/mod-wsgi/3.4-4ubuntu2.1.14.04.2
https://launchpad.net/ubuntu/+source/mod-wsgi/3.3-4ubuntu0.2

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