Ubuntu Security Notice USN-3399-1
21st August, 2017
A security issue affects these releases of Ubuntu and its
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
cvs could be made run programs as your login if it opened a
specially crafted cvs repository.
– Concurrent Versions System
Hank Leininger discovered that cvs did not properly handle SSH
for remote repositories. A remote attacker could use this to
construct a cvs repository that when accessed could run arbitrary
code with the privileges of the user.
The problem can be corrected by updating your system to the following
- Ubuntu 17.04:
- Ubuntu 16.04 LTS:
- Ubuntu 14.04 LTS:
To update your system, please follow these instructions:
In general, a standard system update will make all the necessary changes.