CVE-2020-12279
CRITICALCVSS 9.8/10EPSS 5.09%
Last modified
CVE-2020-12279 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 5.09% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libgit2 | Libgit2 | < 0.28.4 |
| Debian | Debian Linux | 9.0 |
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://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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-12279?
CVE-2020-12279 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.09% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12279?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-12279?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST