USN-1135-1: Exim vulnerability

Releases

• Ubuntu 11.04
• Ubuntu 10.10
• Ubuntu 10.04

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.

Update instructions

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

Ubuntu 11.04

• exim4-daemon-heavy - 4.74-1ubuntu1.2
• exim4-daemon-custom - 4.74-1ubuntu1.2
• exim4-daemon-light - 4.74-1ubuntu1.2

Ubuntu 10.10

• exim4-daemon-heavy - 4.72-1ubuntu1.3
• exim4-daemon-custom - 4.72-1ubuntu1.3
• exim4-daemon-light - 4.72-1ubuntu1.3

Ubuntu 10.04

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

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

References

• CVE-2011-1407