CVE-2021-43766 Explained : Impact and Mitigation
Learn about CVE-2021-43766, a vulnerability in Odyssey allowing man-in-the-middle attackers to inject SQL queries. Find mitigation steps and prevention measures.
Odyssey passes to server unencrypted bytes from man-in-the-middle. A vulnerability similar to that of CVE-2021-23214 for PostgreSQL.
Understanding CVE-2021-43766
When Odyssey is configured to use certificate Common Name for client authentication, a man-in-the-middle attacker can inject arbitrary SQL queries during the initial connection.
What is CVE-2021-43766?
- Vulnerability in Odyssey where unencrypted bytes are passed to the server from a man-in-the-middle attacker
- Similar to CVE-2021-23214 for PostgreSQL
The Impact of CVE-2021-43766
- Allows a man-in-the-middle attacker to inject arbitrary SQL queries
- Occurs even with SSL certificate verification and encryption in place
Technical Details of CVE-2021-43766
Vulnerability affecting Odyssey 1.1.
Vulnerability Description
- Man-in-the-middle attack enables injection of arbitrary SQL queries
Affected Systems and Versions
- Product: Odyssey
- Version: Odyssey 1.1
Exploitation Mechanism
- Attacker can inject SQL queries during the initial connection despite SSL encryption
Mitigation and Prevention
Take immediate steps and follow long-term security practices to mitigate the CVE-2021-43766 vulnerability.
Immediate Steps to Take
- Update to the latest secure version of Odyssey
- Implement network encryption and strong access controls
Long-Term Security Practices
- Regular security audits and code reviews
- Train personnel on secure coding practices
Patching and Updates
- Stay informed about security updates and apply patches promptly