SB2022050415 - Missing Authorization in Keycloak
Published: May 4, 2022
Security Bulletin ID
SB2022050415
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing Authorization (CVE-ID: CVE-2022-1245)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to an error in the token exchange feature of keycloak. A client application holding a valid access token can exchange tokens for
any target client by passing the client_id of the target. A remote user can bypass authorization process and escalate privileges within the application.
Remediation
Install update from vendor's website.