USN-3483-1: procmail vulnerability
Ubuntu Security Notice USN-3483-1
20th November, 2017
procmail vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
formail could be made to crash or run programs if it processed specially
crafted mail.
Software description
- procmail
– Versatile e-mail processor
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 version:
- Ubuntu 17.10:
-
procmail
3.22-25ubuntu0.17.10.1
- Ubuntu 17.04:
-
procmail
3.22-25ubuntu0.17.04.1
- Ubuntu 16.04 LTS:
-
procmail
3.22-25ubuntu0.16.04.1
- Ubuntu 14.04 LTS:
-
procmail
3.22-21ubuntu0.2
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-3483-1: procmail vulnerability
