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CVE-2023-22743

Git for Windows is the Windows port of the revision control system Git. Prior to Git for Windows version 2.39.2, by carefully crafting DLL and putting into a subdirectory of a specific name living next to the Git for Windows installer, Windows can be tricked into side-loading said DLL. This potentially allows users with local write access to place malicious payloads in a location where automated upgrades might run the Git for Windows installer with elevation. Version 2.39.2 contains a patch for this issue. Some workarounds are available. Never leave untrusted files in the Downloads folder or its sub-folders before executing the Git for Windows installer, or move the installer into a different directory before executing it.

Published

2023-02-14T21:15:12.547

Last Modified

2024-11-21T07:45:20.403

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

Weaknesses

Type: Secondary
CWE-426
Type: Primary
CWE-426

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	git_for_windows_project	git_for_windows	< 2.39.2	Yes

References

https://attack.mitre.org/techniques/T1574/002/ Technical Description ([email protected])
https://github.com/git-for-windows/git/releases/tag/v2.39.2.windows.1 Release Notes ([email protected])
https://github.com/git-for-windows/git/security/advisories/GHSA-gf48-x3vr-j5c3 Vendor Advisory ([email protected])
https://github.com/git-for-windows/git/security/advisories/GHSA-p2x9-prp4-8gvq Vendor Advisory ([email protected])
https://learn.microsoft.com/en-us/windows/win32/controls/cookbook-overview?redirectedfrom=MSDN#using-comctl32dll-version-6-in-an-application-that-uses-only-standard-extensions Patch, Technical Description, Vendor Advisory ([email protected])
https://learn.microsoft.com/en-us/windows/win32/sbscs/about-side-by-side-assemblies- Patch, Technical Description, Vendor Advisory ([email protected])
https://attack.mitre.org/techniques/T1574/002/ Technical Description (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/git-for-windows/git/releases/tag/v2.39.2.windows.1 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/git-for-windows/git/security/advisories/GHSA-gf48-x3vr-j5c3 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/git-for-windows/git/security/advisories/GHSA-p2x9-prp4-8gvq Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://learn.microsoft.com/en-us/windows/win32/controls/cookbook-overview?redirectedfrom=MSDN#using-comctl32dll-version-6-in-an-application-that-uses-only-standard-extensions Patch, Technical Description, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://learn.microsoft.com/en-us/windows/win32/sbscs/about-side-by-side-assemblies- Patch, Technical Description, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)