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USN-1135-1: Exim vulnerability

25 May 2011

An attacker could send crafted input to Exim and cause it to run programs as the Exim user.

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Releases

Packages

  • exim4 - metapackage to ease Exim MTA (v4) installation

Details

It was discovered that the Exim daemon did not correctly handle certain
DKIM identities. A remote attacker could send specially crafted email to
run arbitrary code as the Exim user.

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 11.04
Ubuntu 10.10
Ubuntu 10.04

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

References