USN-3287-1: Git vulnerability

15 May 2017

git vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 17.04
  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Git could be made to expose sensitive information over the network.

Software Description

  • git - fast, scalable, distributed revision control system

Details

Timo Schmid discovered that the Git restricted shell incorrectly filtered allowed commands. A remote attacker could possibly use this issue to run an interactive pager and access sensitive information.

Update instructions

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

Ubuntu 17.04
git - 1:2.11.0-2ubuntu0.1
Ubuntu 16.10
git - 1:2.9.3-1ubuntu0.1
Ubuntu 16.04 LTS
git - 1:2.7.4-0ubuntu1.1
Ubuntu 14.04 LTS
git - 1:1.9.1-1ubuntu0.5

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