Oracle Database Weak NNE Integrity Key Derivation Vulnerability

NNE's integrity protection mechanism deliberately weakens the key used for computing per-packet message authentication codes MACs. Oracle Database versions 19c, 12.2.0.1, and 12.1.0.2 are affected. Product: Database Manufacturer: Oracle Affected Versions: 12.1.0.2, 12.2.0.1, 19c Tested Versions:...

Oracle Database Protection Mechanism Bypass Vulnerability

Due to insecure fallback behavior, a man-in-the-middle attacker can bypass NNE's protection against man-in-the-middle attacks and hijack authenticated connections. In some configurations, a full man-in-the-middle attack is possible. Oracle Database versions 19c, 12.2.0.1, and 12.1.0.2 are affecte...

Oracle Database Weak NNE Integrity Key Derivation

Advisory ID: SYSS-2021-062 Product: Database Manufacturer: Oracle Affected Versions: 12.1.0.2, 12.2.0.1, 19c Tested Versions: 18c Vulnerability Type: Inadequate Encryption Strength CWE-326 Risk Level: Medium Solution Status: Fixed Manufacturer Notification: 2021-03-17 Solution Date: 2021-08-07...