1. Ubuntu Security Notices
  2. USN-1135-1

USN-1135-1: Exim vulnerability

Publication date

25 May 2011

Overview

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

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.

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.

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
11.04 natty exim4-daemon-heavy –  4.74-1ubuntu1.2
exim4-daemon-custom –  4.74-1ubuntu1.2
exim4-daemon-light –  4.74-1ubuntu1.2
10.10 maverick exim4-daemon-heavy –  4.72-1ubuntu1.3
exim4-daemon-custom –  4.72-1ubuntu1.3
exim4-daemon-light –  4.72-1ubuntu1.3
10.04 lucid exim4-daemon-heavy –  4.71-3ubuntu1.3
exim4-daemon-custom –  4.71-3ubuntu1.3
exim4-daemon-light –  4.71-3ubuntu1.3

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References

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