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CVE-2022-24765— Uncontrolled search for the Git directory in Git for Windows

Quick assessment

Affected
git-for-windows git
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Git for Windows是Git groups的用于 Windows 的 Git。 Git for Windows 存在代码问题漏洞，该漏洞源于在多用户计算机上不受信任的各方对同一硬盘具有写访问权限。

CVSS 6.0 · Medium EPSS 1.01% · P60

Possible ATT&CK Techniques 1 AI

T1222.002 · Linux and Mac Permissions
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I. Basic Information for CVE-2022-24765

Vulnerability Information
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Vulnerability Title
Uncontrolled search for the Git directory in Git for Windows
Source: CVE Program / CVE List V5
Vulnerability Description
Git for Windows is a fork of Git containing Windows-specific patches. This vulnerability affects users working on multi-user machines, where untrusted parties have write access to the same hard disk. Those untrusted parties could create the folder `C:\.git`, which would be picked up by Git operations run supposedly outside a repository while searching for a Git directory. Git would then respect any config in said Git directory. Git Bash users who set `GIT_PS1_SHOWDIRTYSTATE` are vulnerable as well. Users who installed posh-gitare vulnerable simply by starting a PowerShell. Users of IDEs such as Visual Studio are vulnerable: simply creating a new project would already read and respect the config specified in `C:\.git\config`. Users of the Microsoft fork of Git are vulnerable simply by starting a Git Bash. The problem has been patched in Git for Windows v2.35.2. Users unable to upgrade may create the folder `.git` on all drives where Git commands are run, and remove read/write access from those folders as a workaround. Alternatively, define or extend `GIT_CEILING_DIRECTORIES` to cover the _parent_ directory of the user profile, e.g. `C:\Users` if the user profile is located in `C:\Users\my-user-name`.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Git for Windows 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Git for Windows是Git groups的用于 Windows 的 Git。 Git for Windows 存在代码问题漏洞，该漏洞源于在多用户计算机上不受信任的各方对同一硬盘具有写访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
git-for-windows git < 2.35.2 -

II. Public POCs for CVE-2022-24765

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III. Intelligence Information for CVE-2022-24765

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Vendor Advisories for CVE-2022-24765 (3)

Mailing List Discussions for CVE-2022-24765 (12)

Other References for CVE-2022-24765 (2)

IV. Related Vulnerabilities

Same product: git
Same vendor: git-for-windows
Same weakness: CWE-427

V. Comments for CVE-2022-24765

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