USN-1754-1: Sudo vulnerability

Publication date

28 February 2013

Overview

Sudo could be made to run programs as the administrator without a password prompt.


Packages

  • sudo - Provide limited super user privileges to specific users

Details

Marco Schoepl discovered that Sudo incorrectly handled time stamp files
when the system clock is set to epoch. A local attacker could use this
issue to run Sudo commands without a password prompt.

Marco Schoepl discovered that Sudo incorrectly handled time stamp files
when the system clock is set to epoch. A local attacker could use this
issue to run Sudo commands without a password prompt.

Update instructions

In general, a standard system update will 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
8.04 hardy sudo-ldap –  1.6.9p10-1ubuntu3.10
sudo –  1.6.9p10-1ubuntu3.10
12.10 quantal sudo-ldap –  1.8.5p2-1ubuntu1.1
sudo –  1.8.5p2-1ubuntu1.1
12.04 precise sudo-ldap –  1.8.3p1-1ubuntu3.4
sudo –  1.8.3p1-1ubuntu3.4
11.10 oneiric sudo-ldap –  1.7.4p6-1ubuntu2.2
sudo –  1.7.4p6-1ubuntu2.2
10.04 lucid sudo-ldap –  1.7.2p1-1ubuntu5.6
sudo –  1.7.2p1-1ubuntu5.6

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›