formail could be made to crash or run programs if it processed specially crafted mail.
USN-3483-1 fixed a vulnerability in procmail. This update provides the corresponding update for Ubuntu 12.04 ESM.
21 November 2017
A security issue affects these releases of Ubuntu and its derivatives:
formail could be made to crash or run programs if it processed specially crafted mail.
USN-3483-1 fixed a vulnerability in procmail. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Jakub Wilk discovered that the formail tool incorrectly handled certain malformed mail messages. An attacker could use this flaw to cause formail to crash, resulting in a denial of service, or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon