USN-3499-1: Exim vulnerability
USN-3499-1: Exim vulnerability Ubuntu Security Notice USN-3499-1 29th November, 2017 exim4 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 17.04 Summary Exim could be made to crash if it received specially crafted network traffic. Software description exim4 – Exim is a mail transport agent Details It was discovered that Exim incorrectly handled certain BDAT data headers.A remote attacker could possibly use this issue to cause Exim to crash,resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: exim4-daemon-heavy 4.89-5ubuntu1.2 exim4-daemon-light 4.89-5ubuntu1.2 Ubuntu 17.04: exim4-daemon-heavy 4.88-5ubuntu1.3 exim4-daemon-light 4.88-5ubuntu1.3 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 CVE-2017-16944 Source: USN-3499-1: Exim vulnerability