A Git security update has been released for Ubuntu Linux 16.04 ESM, 18.04 LTS, and 20.04 LTS.
==========================================================================
Ubuntu Security Notice USN-5076-1
September 13, 2021
git vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
Summary:
Git incorrectly handled certain repository paths.
Software Description:
- git: fast, scalable, distributed revision control system
Details:
It was discovered that Git allowed newline characters in
certain repository paths. An attacker could potentially use this issue
to perform
cross-protocol requests.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
git 1:2.25.1-1ubuntu3.2
Ubuntu 18.04 LTS:
git 1:2.17.1-1ubuntu0.9
Ubuntu 16.04 ESM:
git 1:2.7.4-0ubuntu1.10+esm1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5076-1
CVE-2021-40330
Package Information:
https://launchpad.net/ubuntu/+source/git/1:2.25.1-1ubuntu3.2
https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.9
