VulnerabilityModified
CVE-2020-12279
This may allow remote code execution when cloning a repository.
CRITICAL 9.8EPSS 5.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.21% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-706
- Affected
- libgit2/libgit2 · debian/debian linux
- Source
- cve@mitre.org
References
- https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733vPatch, Third Party Advisory
- https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4Patch, Third Party Advisory
- https://github.com/libgit2/libgit2/releases/tag/v0.28.4Release Notes, Third Party Advisory
- https://github.com/libgit2/libgit2/releases/tag/v0.99.0Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
- https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733vPatch, Third Party Advisory
- https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4Patch, Third Party Advisory
- https://github.com/libgit2/libgit2/releases/tag/v0.28.4Release Notes, Third Party Advisory
- https://github.com/libgit2/libgit2/releases/tag/v0.99.0Release Notes, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.