CVE-2023-23946mediumCWE-22

CVE-2023-23946: medium-severity vulnerability in git

Git's `git apply` overwriting paths outside the working tree

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.2epss 1.1%
In short

Git's `git apply` command can be tricked into writing files outside the intended working directory when processing a specially crafted patch, allowing an attacker to overwrite arbitrary files on the system.

Technical detail

Path traversal vulnerability in `git apply` (CWE-22) allows remote code execution through maliciously crafted patches that exploit symbolic link handling. Attack vector requires user to apply an untrusted patch; impact is arbitrary file overwrite with user privileges running git.

Summary generated and translated by AI from the official description.
Git, a revision control system, is vulnerable to path traversal prior to 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. By feeding a crafted input to `git apply`, a path outside the working tree can be overwritten as the user who is running `git apply`. A fix has been prepared and will appear in v2.39.2, v2.38.4, v2.37.6, v2.36.5, v2.35.7, v2.34.7, v2.33.7, v2.32.6, v2.31.7, and v2.30.8. As a workaround, 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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products
git · git
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