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Gentoo: 202401-17 normal: privilege escalation vulnerability in libgit2

gentoo
Calendar Grey January 14, 2024
Dist Gentoo Esm H88
Gentoo Linux Advisory GLSA 202401-18 alerts on a security vulnerability in libxml2, which could lead to unauthorized access and significant security concerns.
A vulnerability has been found in libgit2 which could result in privilege escalation.

Summary

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

Topics%20covered

Topics Covered

security advisory gentoo privilege escalation threat report normal severity libgit2

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
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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.

Severity: Normal
Title: libgit2: Privilege Escalation Vulnerability
Date: January 14, 2024
Bugs: #857792
ID: 202401-17

Topics%20covered

Topics Covered

security advisory gentoo privilege escalation threat report normal severity libgit2

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.

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Affected Packages

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

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.

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