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USN-7023-1: Git vulnerabilities

19 September 2024

Several security issues were fixed in Git.

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Releases

Packages

  • git - fast, scalable, distributed revision control system

Details

Maxime Escourbiac and Yassine Bengana discovered that Git incorrectly
handled some gettext machinery. An attacker could possibly use this issue
to allows the malicious placement of crafted messages. This issue was fixed
in Ubuntu 16.04 LTS. (CVE-2023-25815)

It was discovered that Git incorrectly handled certain submodules.
An attacker could possibly use this issue to execute arbitrary code.
This issue was fixed in Ubuntu 18.04 LTS. (CVE-2024-32002)

It was discovered that Git incorrectly handled certain cloned repositories.
An attacker could possibly use this issue to execute arbitrary code. This
issue was fixed in Ubuntu 18.04 LTS. (CVE-2024-32004, CVE-2024-32465)

It was discovered that Git incorrectly handled local clones with hardlinked
files/directories. An attacker could possibly use this issue to place a
specialized repository on their target’s local system. This issue was fixed
in Ubuntu 18.04 LTS. (CVE-2024-32020)

It was discovered that Git incorrectly handled certain symlinks. An
attacker could possibly use this issue to impact availability and
integrity creating hardlinked arbitrary files into users repository’s
objects/directory. This issue was fixed in Ubuntu 18.04 LTS.
(CVE-2024-32021)

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.

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Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

  • USN-6793-1: git-daemon-sysvinit, git-mediawiki, git-el, git, git-man, git-all, git-cvs, gitk, git-email, gitweb, git-doc, git-gui, git-svn, git-daemon-run
  • USN-6050-1: git-daemon-sysvinit, git-mediawiki, git-el, git, git-man, git-all, git-cvs, gitk, git-email, gitweb, git-doc, git-gui, git-svn, git-daemon-run
  • USN-6793-2: git-daemon-sysvinit, git-mediawiki, git-el, git, git-man, git-all, git-cvs, gitk, git-email, gitweb, git-doc, git-gui, git-svn, git-daemon-run

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Further reading