CVE-2022-46255

Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE

State: Published
Severity: 9.8 Critical
Published: Dec 14, 2022
Updated: Apr 22, 2025
Reserved: Nov 28, 2022

Description

An improper limitation of a pathname to a restricted directory vulnerability was identified in GitHub Enterprise Server that enabled remote code execution. A check was added within Pages to ensure the working directory is clean before unpacking new content to prevent an arbitrary file overwrite bug. This vulnerability affected only version 3.7.0 of GitHub Enterprise Server and was fixed in version 3.7.1. This vulnerability was reported via the GitHub Bug Bounty program.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-22

Affected Products

Product	Versions
GitHub Enterprise ServerGitHub	3.7 to before 3.7.1Affected

References

https://docs.github.com/en/enterprise-server%403.7/admin/release-notes#3.7.1

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