PT-2019-6258 · Libgit2+4 · Libgit2+4

Published 2019-12-10 · Updated 2024-03-23 · CVE-2020-12279

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions libgit2 versions prior to 0.28.4 libgit2 versions 0.9x prior to 0.99.0

Description The issue is related to the checkout.c component of libgit2, which mishandles equivalent filenames due to NTFS short names. This may allow a remote attacker to access confidential data, compromise its integrity, and cause a denial of service. The problem is similar to a previously known issue and may allow remote code execution when cloning a repository.

Recommendations For libgit2 versions prior to 0.28.4, update to version 0.28.4 or later. For libgit2 versions 0.9x prior to 0.99.0, update to version 0.99.0 or later.

Fix

RCE

Weakness Enumeration

CWE-706

Related Identifiers

ALT-PU-2019-3265

BDU:2022-05966

CVE-2020-12279

DLA-2936-1

DLA-3340-1

GHSA-589J-MMG9-733V

OESA-2021-1282

USN-6678-1

Affected Products

Alt Linux

Astra Linux

Linuxmint

Ubuntu

Libgit2

References · 31

• https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v · Patch
• https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 · Patch
• https://security-tracker.debian.org/tracker/CVE-2020-12279 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12279 · Security Note
• https://ubuntu.com/security/CVE-2023-22742 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-12279 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6678-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6678-1 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2021-1282 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-12279 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12278 · Security Note
• https://ubuntu.com/security/CVE-2020-12278 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-2936-1 · Vendor Advisory