Vulnerability CVE-2020-12279
Published: 2020-04-27

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.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Libgit2 -> Libgit2 

 References:
https://github.com/git/git/security/advisories/GHSA-589j-mmg9-733v
https://github.com/libgit2/libgit2/commit/64c612cc3e25eff5fb02c59ef5a66ba7a14751e4
https://github.com/libgit2/libgit2/releases/tag/v0.28.4
https://github.com/libgit2/libgit2/releases/tag/v0.99.0
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