Ubuntu Security Notice USN-5871-1
February 14, 2023
git vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.10
– Ubuntu 22.04 LTS
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in Git.
Software Description:
– git: fast, scalable, distributed revision control system
Details:
It was discovered that Git incorrectly handled certain repositories.
An attacker could use this issue to make Git uses its local
clone optimization even when using a non-local transport.
(CVE-2023-22490)
Joern Schneeweisz discovered that Git incorrectly handled certain commands.
An attacker could possibly use this issue to overwrite a patch outside
the working tree. (CVE-2023-23946)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.10:
git 1:2.37.2-1ubuntu1.4
Ubuntu 22.04 LTS:
git 1:2.34.1-1ubuntu1.8
Ubuntu 20.04 LTS:
git 1:2.25.1-1ubuntu3.10
Ubuntu 18.04 LTS:
git 1:2.17.1-1ubuntu0.16
Ubuntu 16.04 ESM:
git 1:2.7.4-0ubuntu1.10+esm5
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5871-1
CVE-2023-22490, CVE-2023-23946
Package Information:
https://launchpad.net/ubuntu/+source/git/1:2.37.2-1ubuntu1.4
https://launchpad.net/ubuntu/+source/git/1:2.34.1-1ubuntu1.8
https://launchpad.net/ubuntu/+source/git/1:2.25.1-1ubuntu3.10
https://launchpad.net/ubuntu/+source/git/1:2.17.1-1ubuntu0.16
