CVE-2021-22870 Information

Description

A path traversal vulnerability was identified in GitHub Pages builds on GitHub Enterprise Server that could allow an attacker to read system files. To exploit this vulnerability an attacker would need permission to create and build a GitHub Pages site on the GitHub Enterprise Server instance. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.3 and was fixed in versions 3.0.19 3.1.11 and 3.2.3. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://docs.github.com/en/enterprise-server@3.0/admin/release-notes#3.0.19 https://docs.github.com/en/enterprise-server@3.1/admin/release-notes#3.1.11 https://docs.github.com/en/enterprise-server@3.2/admin/release-notes#3.2.3

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5