Vulnerability · Published Jul 12, 2022 · Assigned by GitHub_M

CVE-2022-31012Git for Windows' installer can be tricked into executing an untrusted binary

High 8.2

In plain English

A high-severity security flaw in git from git-for-windows. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.4%top 66.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Git for Windows is a fork of Git that contains Windows-specific patches. This vulnerability in versions prior to 2.37.1 lets Git for Windows' installer execute a binary into `C:\mingw64\bin\git.exe` by mistake. This only happens upon a fresh install, not when upgrading Git for Windows. A patch is included in version 2.37.1. Two workarounds are available. Create the `C:\mingw64` folder and remove read/write access from this folder, or disallow arbitrary authenticated users to create folders in `C:\`.

Affected products (as reported)

Vendor	Product	Versions
git-for-windows	git	< 2.37.1

Weakness: CWE-426 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References

https://github.com/git-for-windows/git/security/advisories/GHSA-gjrj-fxvp-hjj2 x_refsource_CONFIRM
https://github.com/git-for-windows/git/releases/tag/v2.37.1.windows.1 x_refsource_MISC