USN-1618-1: Exim vulnerability

Releases

• Ubuntu 12.10
• Ubuntu 12.04
• Ubuntu 11.10
• Ubuntu 11.04
• Ubuntu 10.04

Packages

• exim4 - Exim is a mail transport agent

Details

It was discovered that Exim incorrectly handled DKIM DNS decoding. This
flaw could allow a remote attacker to execute arbitrary code.

Update instructions

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

Ubuntu 12.10

• exim4-daemon-heavy - 4.80-3ubuntu1.1
• exim4-daemon-custom - 4.80-3ubuntu1.1
• exim4-daemon-light - 4.80-3ubuntu1.1

Ubuntu 12.04

• exim4-daemon-heavy - 4.76-3ubuntu3.1
• exim4-daemon-custom - 4.76-3ubuntu3.1
• exim4-daemon-light - 4.76-3ubuntu3.1

Ubuntu 11.10

• exim4-daemon-heavy - 4.76-2ubuntu1.1
• exim4-daemon-custom - 4.76-2ubuntu1.1
• exim4-daemon-light - 4.76-2ubuntu1.1

Ubuntu 11.04

• exim4-daemon-heavy - 4.74-1ubuntu1.3
• exim4-daemon-custom - 4.74-1ubuntu1.3
• exim4-daemon-light - 4.74-1ubuntu1.3

Ubuntu 10.04

• exim4-daemon-heavy - 4.71-3ubuntu1.4
• exim4-daemon-custom - 4.71-3ubuntu1.4
• exim4-daemon-light - 4.71-3ubuntu1.4

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

References

• CVE-2012-5671