=========================================================================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:
  https://ubuntu.com/security/notices/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