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USN-3243-1: Git vulnerability

23 March 2017

Git could be made to run programs as your login if it explored a specially crafted repository.

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.

Learn more about Ubuntu Pro

Releases

Packages

  • git - fast, scalable, distributed revision control system

Details

It was discovered that Git incorrectly sanitized branch names in the PS1
variable when configured to display the repository status in the shell
prompt. If a user were tricked into exploring a malicious repository, a
remote attacker could use this issue to execute arbitrary code.

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04

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

References