USN-4124-2: Exim vulnerability

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

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