cvs could be made run programs as your login if it opened a specially crafted cvs repository.
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.
21 August 2017
A security issue affects these releases of Ubuntu and its derivatives:
cvs could be made run programs as your login if it opened a specially crafted cvs repository.
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 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