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CVE-2022-41953

8.6 · HIGH

Git GUI is a convenient graphical tool that comes with Git for Windows.

Published Jan 17, 2023CWE-426EPSS 6.80%

Overview

CVE-2022-41953 is a high-severity vulnerability. It was published on January 17, 2023 and has a CVSS 3.1 base score of 8.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Git GUI is a convenient graphical tool that comes with Git for Windows. Its target audience is users who are uncomfortable with using Git on the command-line. Git GUI has a function to clone repositories. Immediately after the local clone is available, Git GUI will automatically post-process it, among other things running a spell checker called `aspell.exe` if it was found. Git GUI is implemented as a Tcl/Tk script. Due to the unfortunate design of Tcl on Windows, the search path when looking for an executable _always includes the current directory_. Therefore, malicious repositories can ship with an `aspell.exe` in their top-level directory which is executed by Git GUI without giving the user a chance to inspect it first, i.e. running untrusted code. This issue has been addressed in version 2.39.1. Users are advised to upgrade. Users unable to upgrade should avoid using Git GUI for cloning. If that is not a viable option, at least avoid cloning from untrusted sources.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/git-for-windows/git/commit/7360767e8dfc1895a932324079f7d45d7791d39fGitHubgithub.com/git-for-windows/git/pull/4219GitHubgithub.com/git-for-windows/git/security/advisories/GHSA-v4px-mx59-w99cRefwww.tcl.tk/man/tcl8.6/TclCmd/exec.html#M23GitHubgithub.com/git-for-windows/git/commit/7360767e8dfc1895a932324079f7d45d7791d39fGitHubgithub.com/git-for-windows/git/pull/4219GitHubgithub.com/git-for-windows/git/security/advisories/GHSA-v4px-mx59-w99cRefwww.tcl.tk/man/tcl8.6/TclCmd/exec.html#M23

How CyberStrike helps

Frequently asked questions

What is CVE-2022-41953?

CVE-2022-41953 is a high-severity vulnerability. It was published on January 17, 2023 and has a CVSS 3.1 base score of 8.6 (HIGH).

How severe is CVE-2022-41953?

This vulnerability has a CVSS 3.1 base score of 8.6, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-41953?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-41953?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-41953 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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