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CVE-2023-22743 Detail


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.


CVSS 3.x Severity and Metrics:

Base Score:  7.3 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  GitHub, Inc.
Base Score:  7.2 HIGH
Vector:  CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: It is possible that the NVD CVSS may not match that of the CNA. The most common reason for this is that publicly available information does not provide sufficient detail or that information simply was not available at the time the CVSS vector string was assigned.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://attack.mitre.org/techniques/T1574/002/ Technical Description 
https://github.com/git-for-windows/git/releases/tag/v2.39.2.windows.1 Release Notes 
https://github.com/git-for-windows/git/security/advisories/GHSA-gf48-x3vr-j5c3 Vendor Advisory 
https://github.com/git-for-windows/git/security/advisories/GHSA-p2x9-prp4-8gvq Vendor Advisory 
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 
https://learn.microsoft.com/en-us/windows/win32/sbscs/about-side-by-side-assemblies- Patch  Technical Description  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-426 Untrusted Search Path cwe source acceptance level NIST   Contributor acceptance level GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
NVD Published Date:
NVD Last Modified:
GitHub, Inc.