Full Report
GitHub security advisory (AV26-383)
Analysis Summary
# Vulnerability: GitHub Enterprise Server Multiple Vulnerabilities
## CVE Details
- **CVE ID:** Not explicitly listed in the source advisory (AV26-383). The advisory serves as a roll-up for multiple security fixes.
- **CVSS Score:** Not provided (Typically High/Critical for GitHub Enterprise Server updates of this nature).
- **CWE:** Not specified.
## Affected Systems
- **Products:** GitHub Enterprise Server (GHES)
- **Versions:**
- 3.20.x prior to 3.20.1
- 3.19.x prior to 3.19.5
- 3.18.x prior to 3.18.8
- 3.17.x prior to 3.17.14
- 3.16.x prior to 3.16.17
- **Configurations:** Standard deployments of the Enterprise Server software.
## Vulnerability Description
While the specific technical flaws are not detailed in the summary notice, these releases address security vulnerabilities within the GitHub Enterprise Server environment. Historically, updates to these versions involves mitigating risks such as unauthorized access, site-wide configuration bypasses, or injection vulnerabilities within the enterprise-orchestrated environment.
## Exploitation
- **Status:** Not specified (No mention of active exploitation in the wild).
- **Complexity:** Generally Medium to High for enterprise-grade server environments.
- **Attack Vector:** Network (Remote).
## Impact
- **Confidentiality:** Potential for High impact.
- **Integrity:** Potential for High impact.
- **Availability:** Potential for High impact.
## Remediation
### Patches
The Canadian Centre for Cyber Security recommends upgrading to the following patched versions:
- **GHES 3.20.1**
- **GHES 3.19.5**
- **GHES 3.18.8**
- **GHES 3.17.14**
- **GHES 3.16.17**
### Workarounds
No specific workarounds are provided in the advisory. Application of the official security patches is the recommended course of action.
## Detection
- **Indicators of Compromise:** Users should monitor system logs for unauthorized administrative actions or unusual access patterns to repositories.
- **Detection methods and tools:** Audit logs within the GHES Management Console and internal SIEM monitoring for anomalous API requests.
## References
- **Vendor advisories:** hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- **Relevant links:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/github-security-advisory-av26-383
- **Additional Release Notes:**
- hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes
- hxxps[://]docs[.]github[.]com/en/[email protected]/admin/release-notes