Ubuntu Security Notice USN-2558-1
7th April, 2015
mailman vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Mailman could be made to run programs if it processed a specially crafted
list name.
Software description
- mailman
– Powerful, web-based mailing list manager
Details
It was discovered that Mailman incorrectly handled special characters
in list names. A local attacker could use this issue to perform a path
traversal attack and execute arbitrary code as the Mailman user.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 14.10:
-
mailman
1:2.1.18-1ubuntu0.1
- Ubuntu 14.04 LTS:
-
mailman
1:2.1.16-2ubuntu0.1
- Ubuntu 12.04 LTS:
-
mailman
1:2.1.14-3ubuntu0.2
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.