1. Ubuntu Security Notices
  2. USN-1395-1

USN-1395-1: PyPAM vulnerability

Publication date

8 March 2012

Overview

PyPAM could be made to crash or possibly run programs if it processed a specially crafted password.

Releases

Packages

  • python-pam - A Python interface to the PAM library

Details

Markus Vervier discovered that PyPAM incorrectly handled passwords
containing NULL bytes. An attacker could exploit this to cause applications
using PyPAM to crash, or possibly execute arbitrary code.

Markus Vervier discovered that PyPAM incorrectly handled passwords
containing NULL bytes. An attacker could exploit this to cause applications
using PyPAM to crash, or possibly execute arbitrary code.

Update instructions

After a standard system update you need to restart applications that use PyPAM 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:

Ubuntu Release Package Version
11.10 oneiric python-pam –  0.4.2-12.2ubuntu2.11.10.1
11.04 natty python-pam –  0.4.2-12.2ubuntu2.11.04.1
10.10 maverick python-pam –  0.4.2-12.1ubuntu1.10.10.1
10.04 lucid python-pam –  0.4.2-12.1ubuntu1.10.04.1

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References

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