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USN-4124-2: Exim vulnerability

16 September 2019

Exim could be made to run programs as an administrator if it received specially crafted network traffic.

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Releases

Packages

  • exim4 - Exim is a mail transport agent

Details

USN-4124-1 fixed a vulnerability in Exim. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Exim incorrectly handled certain decoding
operations. A remote attacker could possibly use this issue to execute
arbitrary commands.

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 14.04

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

References

Related notices

  • USN-4124-1: exim4-config, eximon4, exim4-base, exim4, exim4-daemon-heavy, exim4-dev, exim4-daemon-light