CVE-2022-46255— Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE
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I. Basic Information for CVE-2022-46255
Vulnerability Information
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Vulnerability Title
Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server leading to RCE
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitHub Enterprise Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitHub Enterprise Server是美国GitHub开源的一个应用软件。提供一个将自己的GitHub实例设置为虚拟设备，从而提供可扩展，易于管理的平台。 GitHub Enterprise Server 3.7.0版本存在安全漏洞，该漏洞源于当攻击者将路径名限制为受限制目录时可以实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| GitHub | GitHub Enterprise Server | 3.7 ~ 3.7.1 | - |
II. Public POCs for CVE-2022-46255
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|---|
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Same Patch Batch · GitHub · 2022-12-14 · 3 CVEs total
| CVE-2022-23741 | Incorrect authorization in GitHub Enterprise Server token generation leading to full admin | |
| CVE-2022-46256 | Path traversal in GitHub Enterprise Server leading to remote code execution in GitHub Page |
IV. Related Vulnerabilities
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Same vendor: GitHub
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