Full Report
GitHub security advisory (AV26-1007)
Analysis Summary
# Vulnerability: GitHub Enterprise Server Multiple Security Flaws (AV26-1007)
## CVE Details
- **CVE ID:** [Pending/Not specified in advisory]*
- **CVSS Score:** [Not specified]* (Likely High based on historical Enterprise Server advisories)
- **CWE:** [Weakness type not explicitly detailed in summary]
*\*Note: The provided source refers to a collective security advisory (AV26-1007) covering multiple patches across GitHub Enterprise Server versions.*
## Affected Systems
- **Products:** GitHub Enterprise Server (GHES)
- **Versions:**
- 3.18.0 prior to 3.18.16
- 3.19.0 prior to 3.19.13
- 3.20.0 prior to 3.20.9
- 3.21.0 prior to 3.21.7
- 3.22.0 prior to 3.22.2
- **Configurations:** Standard deployments of the on-premise GitHub Enterprise Server.
## Vulnerability Description
While the specific technical vulnerability (e.g., SQLi, XSS, or RCE) is not detailed in the brief advisory, these updates represent critical maintenance releases for the GitHub Enterprise Server platform. Historically, these updates address vulnerabilities related to management console security, unauthorized access via API, or flaws in the underlying containerized infrastructure.
## Exploitation
- **Status:** Not specified (Assume PoC may emerge following patch analysis)
- **Complexity:** [Unknown]
- **Attack Vector:** Network (Typically targets the management console or instance web interface)
## Impact
- **Confidentiality:** Potential High
- **Integrity:** Potential High
- **Availability:** Potential High
## Remediation
### Patches
GitHub has released the following updated versions to address these vulnerabilities:
- GitHub Enterprise Server **3.18.16**
- GitHub Enterprise Server **3.19.13**
- GitHub Enterprise Server **3.20.9**
- GitHub Enterprise Server **3.21.7**
- GitHub Enterprise Server **3.22.2**
### Workarounds
- No specific workarounds are provided. Upgrading to the patched versions is the recommended course of action to ensure full protection.
## Detection
- **Indicators of Compromise:** Monitor for unusual administrative activity in the Site Admin dashboard.
- **Detection methods:** Audit system logs and access logs for unauthorized access to the `/setup/` or `/admin/` endpoints.
## References
- GitHub Enterprise Server Release Notes: hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- GitHub Enterprise Server Release Notes: hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- GitHub Enterprise Server Release Notes: hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- GitHub Enterprise Server Release Notes: hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- GitHub Enterprise Server Release Notes: hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- Official Advisory: hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/github-security-advisory-av26-1007