CVE-2020-14366 Explained : Impact and Mitigation
Learn about CVE-2020-14366, a medium severity vulnerability in Red Hat's Keycloak allowing path traversal. Find out affected versions and mitigation steps.
A vulnerability in Red Hat's Keycloak allows path traversal using URL-encoded path segments, potentially exposing specific folder hierarchies.
Understanding CVE-2020-14366
What is CVE-2020-14366?
This CVE identifies a flaw in Keycloak that enables path traversal through URL-encoded path segments in requests.
The Impact of CVE-2020-14366
The vulnerability poses a medium severity risk with high confidentiality impact, affecting systems running Keycloak versions before (excluding) 12.0.0.
Technical Details of CVE-2020-14366
Vulnerability Description
The flaw in Keycloak's resources endpoint allows malicious actors to manipulate URL paths to access restricted folder hierarchies.
Affected Systems and Versions
- Product: Keycloak
- Vendor: Red Hat
- Versions Affected: Before (excluding) 12.0.0
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Changed
- Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor and restrict access to the vulnerable endpoint.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Implement secure coding practices to mitigate similar issues.
Patching and Updates
Regularly check for security advisories and updates from Red Hat to address CVE-2020-14366.