Vulnerability Details : 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 exist because of NTFS short names. This may allow remote code execution when cloning a repository. This issue is similar to CVE-2019-1353.
Vulnerability category: Execute code
Products affected by CVE-2020-12279
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12279
5.58%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12279
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-12279
-
The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12279
-
https://github.com/libgit2/libgit2/releases/tag/v0.99.0
Release libgit2 v0.99.0 · libgit2/libgit2 · GitHubRelease Notes;Third Party Advisory
-
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
Protect against 8.3 "short name" attacks also on Linux/macOS · libgit2/libgit2@64c612c · GitHubPatch;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
[SECURITY] [DLA 2936-1] libgit2 security updateMailing List;Third Party Advisory
-
https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
Git needs NTFS-related protections outside of Git for Windows · Advisory · git/git · GitHubPatch;Third Party Advisory
-
https://github.com/libgit2/libgit2/releases/tag/v0.28.4
Release libgit2 v0.28.4 · libgit2/libgit2 · GitHubRelease Notes;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html
[SECURITY] [DLA 3340-1] libgit2 security update
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