Home/CVE/An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that
CVE

CVE-2020-12279

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that

An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0. checkout.c mishandles equivalent filenames that exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.

CRITICAL · CVSS 9.8 EPSS 0.05164
Schedule remediation
  • EPSS percentile: top 10% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-706Use of Incorrectly-Resolved Name or Reference
▤

Affected Products & Versions

2
libgit2< 0.28.4
debian linuxall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Apr 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
usnUSN-6678-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733vPatchThird Party Advisory
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4PatchThird Party Advisory
https://github.com/libgit2/libgit2/releases/tag/v0.28.4Release NotesThird Party Advisory
https://github.com/libgit2/libgit2/releases/tag/v0.99.0Release NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
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