Critical severity · published Apr 27, 2020
CVE-2020-12278
An issue was discovered in libgit2 before 0.28.4 and 0.9x before 0.99.0
9.8
CVSS
5.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.2% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
LI
Libgit2 · Libgit2
before 0.28.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12278
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12278
Third Party Advisory
https://github.com/git/git/security/advisories/GHSA-5wph-8frv-58vj
Patch
https://github.com/libgit2/libgit2/commit/3f7851eadca36a99627ad78cbe56a40d3776ed01
Patch
https://github.com/libgit2/libgit2/commit/e1832eb20a7089f6383cfce474f213157f5300cb
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
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