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USN-5871-1: Git vulnerabilities

14 February 2023

Several security issues were fixed in Git.

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Releases

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)

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.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

Related notices

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