Vulnerability Monitor

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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.

Published

2020-04-27T17:15:13.470

Last Modified

2024-11-21T04:59:26.230

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-706

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libgit2	libgit2	< 0.28.4	Yes
Operating System	debian	debian_linux	9.0	Yes

References

https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v Patch, Third Party Advisory ([email protected])
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 Patch, Third Party Advisory ([email protected])
https://github.com/libgit2/libgit2/releases/tag/v0.28.4 Release Notes, Third Party Advisory ([email protected])
https://github.com/libgit2/libgit2/releases/tag/v0.99.0 Release Notes, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html ([email protected])
https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libgit2/libgit2/releases/tag/v0.28.4 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/libgit2/libgit2/releases/tag/v0.99.0 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/02/msg00034.html (af854a3a-2127-422b-91ae-364da2661108)