1. Ubuntu Security Notices
  2. USN-3322-1

USN-3322-1: Exim vulnerability

Publication date

19 June 2017

Overview

Exim could be made to run programs as an administrator.

Releases

Packages

  • exim4 - Exim is a mail transport agent

Details

It was discovered that Exim did not properly deallocate memory when
processing certain command line arguments. A local attacker could use this
in conjunction with a vulnerability in the underlying kernel to possibly
execute arbitrary code and gain administrative privileges.

It was discovered that Exim did not properly deallocate memory when
processing certain command line arguments. A local attacker could use this
in conjunction with a vulnerability in the underlying kernel to possibly
execute arbitrary code and gain administrative privileges.

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
17.04 zesty exim4-daemon-heavy –  4.88-5ubuntu1.1
exim4-daemon-light –  4.88-5ubuntu1.1
16.10 yakkety exim4-daemon-heavy –  4.87-3ubuntu1.2
exim4-daemon-light –  4.87-3ubuntu1.2
16.04 xenial exim4-daemon-heavy –  4.86.2-2ubuntu2.2
exim4-daemon-light –  4.86.2-2ubuntu2.2
14.04 trusty exim4-daemon-heavy –  4.82-3ubuntu2.3
exim4-daemon-light –  4.82-3ubuntu2.3

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.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›