Authentication Bypass at the Security Edge: What You Should Know
Once all required configuration changes were made, attackers established SSL VPN tunnels to the affected devices using the newly created or hijacked accounts.
MITRE's Common Weakness Enumeration database classifies this specific type of vulnerability as CWE-288: Authentication Bypass Using an Alternate Channel or Path.
In the case of FortiOS and FortiProxy, the alternate path is the Node.js WebSocket module.
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What's inside
13 sections- 1 Table of Contents
- 2 Module 1 — Understanding Authentication Bypass
- 3 Module 2 — CVE-2024-55591: The FortiOS / FortiProxy Vulnerability
- 4 Module 3 — Timeline of Events
- 5 Module 4 — Attack Chain Analysis
- 6 Module 5 — Exposure and Scale
- 7 Module 6 — Proof of Concept
- 8 Module 7 — Indicators of Compromise (IoCs)
- 9 Module 8 — Remediation and Mitigations
- 10 Module 9 — Threat Hunting
- 11 Module 10 — Proactive Security Best Practices
- 12 Quick Reference Summary
- 13 Primary References
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