OAuth is a widely used standard for authentication and authorization but remains vulnerable due to misconfigurations and clever exploitation in real-world scenarios. Attackers often leverage redirect URI manipulation, rogue applications, token leakage, and session misuse to bypass MFA and gain long-term access. #AzureActiveDirectory #OAuthExploits
Keypoints
- Misconfigurations in OAuth flows can lead to severe security breaches like account takeovers.
- Attackers exploit redirect URI manipulation and open redirects to hijack tokens and credentials.
- Rogue OAuth applications and consent phishing enable persistent, passwordless access to sensitive data.
- Common vulnerabilities include authorization code leakage, session fixation, and token misuse.
- Implementing strict validation, app governance, and user awareness are essential defenses against OAuth-based attacks.