USN-922-1: libnss-db vulnerability

31 March 2010

libnss-db vulnerability

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

  • Ubuntu 9.10
  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software Description

  • libnss-db

Details

Stephane Chazelas discovered that libnss-db did not correctly set up a database environment. A local attacker could exploit this to read the first line of arbitrary files, leading to a loss of privacy and possibly privilege escalation.

Update instructions

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

Ubuntu 9.10
libnss-db - 2.2.3pre1-3ubuntu3.9.10.2
Ubuntu 9.04
libnss-db - 2.2.3pre1-3ubuntu3.9.04.2
Ubuntu 8.10
libnss-db - 2.2.3pre1-3ubuntu1.8.10.2
Ubuntu 8.04 LTS
libnss-db - 2.2.3pre1-3ubuntu1.8.04.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system upgrade is sufficient to effect the necessary changes.

References