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USN-1754-1: Sudo vulnerability

28 February 2013

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

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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.

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Releases

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.

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 8.04
Ubuntu 12.10
Ubuntu 12.04
Ubuntu 11.10
Ubuntu 10.04

In general, a standard system update will make all the necessary changes.

References