[USN-5376-3] Git regression


========================================================================== Ubuntu Security Notice USN-5376-3 April 26, 2022
git regression ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.04 LTS – Ubuntu 21.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
UNS-5376-1 was missing patches to properly fix the addressed issues.
Software Description: – git: fast, scalable, distributed revision control system
Details:
USN-5376-1 fixed vulnerabilities in Git, some patches were missing to properly fix the issue. This update fixes the problem.
Original advisory details:
俞晨东 discovered that Git incorrectly handled certain repository paths in platforms with multiple users support. An attacker could possibly use this issue to run arbitrary commands.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04 LTS: git 1:2.34.1-1ubuntu1.2
Ubuntu 21.10: git 1:2.32.0-1ubuntu1.2
Ubuntu 20.04 LTS: git 1:2.25.1-1ubuntu3.4
Ubuntu 18.04 LTS: git 1:2.17.1-1ubuntu0.11
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5376-3 ubuntu.com/security/notices/USN-5376-1 launchpad.net/bugs/1970260
Package Information: launchpad.net/ubuntu/+source/git/1:2.34.1-1ubuntu1.2 launchpad.net/ubuntu/+source/git/1:2.32.0-1ubuntu1.2 launchpad.net/ubuntu/+source/git/1:2.25.1-1ubuntu3.4 launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.11