USN-3399-1: cvs vulnerability

Publication date

21 August 2017

Overview

cvs could be made run programs as your login if it opened a specially crafted cvs repository.


Packages

  • cvs - Concurrent Versions System

Details

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.

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.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
17.04 zesty cvs –  2:1.12.13+real-22ubuntu0.1
16.04 xenial cvs –  2:1.12.13+real-15ubuntu0.1
14.04 trusty cvs –  2:1.12.13+real-12ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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