USN-5367-1: fish vulnerability

Publication date

10 August 2022

Overview

fish could be made to run programs if it read data from a specially crafted file.


Packages

  • fish - friendly interactive shell

Details

Justin Steven discovered that fish was not properly filtering local
git configuration directives when running background git commands.
A remote unauthenticated attacker could possibly use this issue to
execute arbitrary code.

Justin Steven discovered that fish was not properly filtering local
git configuration directives when running background git commands.
A remote unauthenticated attacker could possibly use this issue to
execute arbitrary code.

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
22.04 LTS jammy fish –  3.3.1+ds-3ubuntu0.1~esm1  
fish-common –  3.3.1+ds-3ubuntu0.1~esm1  
20.04 LTS focal fish –  3.1.0-1.2ubuntu0.1~esm1  
fish-common –  3.1.0-1.2ubuntu0.1~esm1  

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.


Have additional questions?

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