high
7.5
CWE
22
Advisory Published
CVE Published
CVE Published
Updated

CVE-2023-23946: Git's `git apply` overwriting paths outside the working tree

First published: Wed Feb 08 2023(Updated: )

A vulnerability was found in Git. This security issue occurs when feeding a crafted input to "git apply." A path outside the working tree can be overwritten by the user running "git apply."

Credit: security-advisories@github.com security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
redhat/git<0:2.39.3-1.el8_8
0:2.39.3-1.el8_8
redhat/git<0:2.39.3-1.el9_2
0:2.39.3-1.el9_2
<2.30.8
>=2.31.0<2.31.7
>=2.32.0<2.32.6
>=2.33.0<2.33.7
>=2.34.0<2.34.7
>=2.35.0<2.35.7
>=2.36.0<2.36.5
>=2.37.0<2.37.6
>=2.38.0<2.38.4
>=2.39.0<2.39.2
Git-scm Git<2.30.8
Git-scm Git>=2.31.0<2.31.7
Git-scm Git>=2.32.0<2.32.6
Git-scm Git>=2.33.0<2.33.7
Git-scm Git>=2.34.0<2.34.7
Git-scm Git>=2.35.0<2.35.7
Git-scm Git>=2.36.0<2.36.5
Git-scm Git>=2.37.0<2.37.6
Git-scm Git>=2.38.0<2.38.4
Git-scm Git>=2.39.0<2.39.2
Microsoft Visual Studio 2022=17.2
fix available externally
Microsoft Visual Studio 2017 (includes 15.0 - 15.8)=15.9
fix available externally
Microsoft Visual Studio 2022=17.4
fix available externally
Microsoft Visual Studio 2019 (includes 16.0 - 16.10)=16.11
fix available externally
Microsoft Visual Studio 2022=17.0
fix available externally

Remedy

https://github.com/git/git/commit/c867e4fa180bec4750e9b54eb10f459030dbebfd

Remedy

Use git apply --stat to inspect a patch before applying; avoid applying one that creates a symbolic link and then creates a file beyond the symbolic link.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-23946?

    CVE-2023-23946 is a vulnerability in the Git revision control system that allows remote code execution via path traversal.

  • Which software versions are affected by CVE-2023-23946?

    CVE-2023-23946 affects versions 2.39.2, 2.38.4, 2.37.6, 2.36.5, 2.35.7, 2.34.7, 2.33.7, 2.32.6, 2.31.7, and 2.30.8 of Git.

  • What is the severity of CVE-2023-23946?

    CVE-2023-23946 has a severity score of 7, which is considered high.

  • How can I fix CVE-2023-23946 in Visual Studio 2022 version 17.2?

    To fix CVE-2023-23946 in Visual Studio 2022 version 17.2, you can either update to a version that includes the patch, or apply the patch manually by downloading it from the provided URL.

  • Where can I find more information about CVE-2023-23946?

    You can find more information about CVE-2023-23946 on the Microsoft Security Response Center website, as well as the Bugzilla and Red Hat access pages linked in the references.

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