USN-4124-2: Exim vulnerability
exim4 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Summary
Exim could be made to run programs as an administrator if it received
specially crafted network traffic.
Software Description
- 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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- exim4-daemon-heavy – 4.82-3ubuntu2.4+esm1
- exim4-daemon-light – 4.82-3ubuntu2.4+esm1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4124-2: Exim vulnerability
