USN-2222-1: mod_wsgi vulnerabilities

Publication date

26 May 2014

Overview

mod_wsgi could be made to run programs as an administrator if it executes a specially crafted file. mod_wsgi could be made to expose sensitive information over the network.


Packages

  • mod-wsgi - Python WSGI adapter module for Apache

Details

Róbert Kisteleki discovered mod_wsgi incorrectly checked setuid return
values. A malicious application could use this issue to cause a local
privilege escalation when using daemon mode. (CVE-2014-0240)

Buck Golemon discovered that mod_wsgi used memory that had been freed.
A remote attacker could use this issue to read process memory via the
Content-Type response header. This issue only affected Ubuntu 12.04 LTS.
(CVE-2014-0242)

Róbert Kisteleki discovered mod_wsgi incorrectly checked setuid return
values. A malicious application could use this issue to cause a local
privilege escalation when using daemon mode. (CVE-2014-0240)

Buck Golemon discovered that mod_wsgi used memory that had been freed.
A remote attacker could use this issue to read process memory via the
Content-Type response header. This issue only affected Ubuntu 12.04 LTS.
(CVE-2014-0242)

Update instructions

After a standard system update you need to restart apache2 to make all the necessary changes.

Learn more about how to get the fixes.

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


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