1. Ubuntu Security Notices
  2. USN-4010-1

USN-4010-1: Exim vulnerability

Publication date

5 June 2019

Overview

Exim could be made to run commands if it received specially crafted network traffic.

Releases

Packages

  • exim4 - Exim is a mail transport agent

Details

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

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

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
18.10 cosmic exim4-daemon-heavy –  4.91-6ubuntu1.1
exim4-daemon-light –  4.91-6ubuntu1.1
18.04 bionic exim4-daemon-heavy –  4.90.1-1ubuntu1.2
exim4-daemon-light –  4.90.1-1ubuntu1.2

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References

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