CVE-2020-14302 : Vulnerability Insights and Analysis
Discover the impact of CVE-2020-14302, a Keycloak vulnerability allowing replay attacks. Learn about affected versions, exploitation, and mitigation steps.
A flaw in Keycloak before version 13.0.0 allows for replay attacks after successful authentication by an external identity provider.
Understanding CVE-2020-14302
This CVE identifies a vulnerability in Keycloak that could be exploited for replay attacks.
What is CVE-2020-14302?
The vulnerability in Keycloak before version 13.0.0 enables a malicious user to perform replay attacks by redirecting to a Keycloak endpoint that accepts multiple invocations with the same 'state' parameter.
The Impact of CVE-2020-14302
The flaw allows attackers to replay authentication credentials, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2020-14302
Key technical aspects of the CVE.
Vulnerability Description
A flaw in Keycloak before version 13.0.0 allows malicious users to replay authentication credentials due to the acceptance of multiple invocations with the same 'state' parameter.
Affected Systems and Versions
- Product: Keycloak
- Version: 13.0.0
Exploitation Mechanism
- External identity provider redirects to a Keycloak endpoint
- Accepts multiple invocations with the same 'state' parameter
Mitigation and Prevention
Steps to address and prevent the vulnerability.
Immediate Steps to Take
- Update Keycloak to version 13.0.0 or later
- Monitor and restrict access to Keycloak endpoints
Long-Term Security Practices
- Implement multi-factor authentication
- Regularly review and update security configurations
Patching and Updates
- Apply patches and updates provided by Keycloak to address the vulnerability