=========================================================================Ubuntu Security Notice USN-3483-2
November 21, 2017
procmail vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
formail could be made to crash or run programs if it processed
specially crafted mail.
Software Description:
- procmail: Versatile e-mail processor
Details:
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
procmail 3.22-19ubuntu0.2
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3483-2
https://ubuntu.com/security/notices/USN-3483-1
CVE-2017-16844
