USN-5871-1: Git vulnerabilities

Releases

• Ubuntu 22.10
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• 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

• git - 1:2.34.1-1ubuntu1.8

Ubuntu 20.04

• git - 1:2.25.1-1ubuntu3.10

Ubuntu 18.04

• git - 1:2.17.1-1ubuntu0.16

Ubuntu 16.04

• git - 1:2.7.4-0ubuntu1.10+esm5
  Available with Ubuntu Pro

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

References

• CVE-2023-23946
• CVE-2023-22490

Related notices

• USN-5871-2: git-svn, git-el, git-all, gitweb, git-doc, git-daemon-sysvinit, git, git-man, gitk, git-email, git-cvs, git-mediawiki, git-daemon-run, git-gui