CVE-2020-12278

moderate-risk
Published 2020-04-27

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. path.c mishandles equivalent filenames that exist because of NTFS Alternate Data Streams. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1352.

Do I need to act?

~
6.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Libgit2

Affected Vendors

Debian Libgit2

References (14)

Third Party Advisory https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj
Patch https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed...
Patch https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300...
Release Notes https://github.com/libgit2/libgit2/releases/tag/v0.28.4
Release Notes https://github.com/libgit2/libgit2/releases/tag/v0.99.0
Mailing List https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
Third Party Advisory https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj
Patch https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed...
Patch https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300...
Release Notes https://github.com/libgit2/libgit2/releases/tag/v0.28.4
Release Notes https://github.com/libgit2/libgit2/releases/tag/v0.99.0
Mailing List https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
48
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 9/34 · Low
Exposure 7/34 · Low