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CVE-2022-46256— Path traversal in GitHub Enterprise Server leading to remote code execution in GitHub Pages

Quick assessment

Affected
GitHub GitHub Enterprise Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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存在安全漏洞，该漏洞源于其允许攻击者在构建GitHub Pages站点时利用路径遍历实现远程执行代码。

AI Predicted 8.8 Difficulty: Easy EPSS 1.94% · P78
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I. Basic Information for CVE-2022-46256

Vulnerability Information
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Vulnerability Title
Path traversal in GitHub Enterprise Server leading to remote code execution in GitHub Pages
Source: CVE Program / CVE List V5
Vulnerability Description
A path traversal vulnerability was identified in GitHub Enterprise Server that allowed remote code execution when building a GitHub Pages site. To exploit this vulnerability, an attacker would need permission to create and build a GitHub Pages site on the instance. This vulnerability was fixed in versions 3.3.17, 3.4.12, 3.5.9, 3.6.5 and 3.7.2. This vulnerability was reported via the GitHub Bug Bounty program.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
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存在安全漏洞，该漏洞源于其允许攻击者在构建GitHub Pages站点时利用路径遍历实现远程执行代码。
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 3.3 ~ 3.3.17 -

II. Public POCs for CVE-2022-46256

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III. Intelligence Information for CVE-2022-46256

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Other References for CVE-2022-46256 (4)

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-2022-46255 Improper Limitation of a Pathname to a Restricted Directory in GitHub Enterprise Server le

IV. Related Vulnerabilities

Same product: GitHub Enterprise Server
Same vendor: GitHub
Same weakness: CWE-22

V. Comments for CVE-2022-46256

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