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[gentoo-announce] [ GLSA 202401-17 ] libgit2: Privilege Escalation Vulnerability

Posted on 14 January 2024
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202401-17
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https://security.gentoo.org/
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Severity: Normal
Title: libgit2: Privilege Escalation Vulnerability
Date: January 14, 2024
Bugs: #857792
ID: 202401-17

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Synopsis
========
A vulnerability has been found in libgit2 which could result in
privilege escalation.

Background
==========
libgit2 is a portable, pure C implementation of the Git core methods
provided as a re-entrant linkable library with a solid API.

Affected packages
=================
Package Vulnerable Unaffected
---------------- ------------ ------------
dev-libs/libgit2 < 1.4.4 >= 1.4.4

Description
===========
A vulnerability has been discovered in libgit2. Please review the CVE
identifier referenced below for details.

Impact
======
Usages of a malicious crafted Git repository could allow the creator of
the repository to elevate privileges to those of the user accessing the
repository.

Workaround
==========
Administrators can ensure that their usages of libgit2 only interact
with repositories which have only been modified by trusted users.

Resolution
==========
All libgit2 users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/libgit2-1.4.4"

References
==========
[ 1 ] CVE-2022-29187
https://nvd.nist.gov/vuln/detail/CVE-2022-29187

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202401-17

Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5
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