PT-2023-18473 · Github · Github Enterprise Server

Ryotak · Published 2023-03-02 · Updated 2023-03-10 · CVE-2023-22381

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions GitHub Enterprise Server versions prior to 3.8.0

Description A code injection vulnerability was identified in GitHub Enterprise Server that allowed setting arbitrary environment variables from a single environment variable value in GitHub Actions when using a Windows based runner. To exploit this vulnerability, an attacker would need existing permission to control the value of environment variables for use with GitHub Actions. This vulnerability was reported via the GitHub Bug Bounty program.

Recommendations For versions prior to 3.4.15, update to version 3.4.15 or later. For versions prior to 3.5.12, update to version 3.5.12 or later. For versions prior to 3.6.8, update to version 3.6.8 or later. For versions prior to 3.7.5, update to version 3.7.5 or later. For versions prior to 3.8.0, update to version 3.8.0 or later.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2023-22381

Affected Products

Github Enterprise Server

References · 9

• https://osv.dev/vulnerability/CVE-2023-22381 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-22381 · Security Note
• https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.5 · Note
• https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.15 · Note
• https://docs.github.com/en/enterprise-server@3.8/admin/release-notes · Note
• https://t.me/cvenotify/45382 · Telegram Post
• https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.12 · Note
• https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.8 · Note
• https://t.me/cibsecurity/59347 · Telegram Post