CyberRota Analysis
AI-GeneratedA vulnerability exists in the keycloak-services component of Keycloak, where improper validation of wildcard domains allows an attacker to bypass host-based restrictions for client registration and updates. This could lead to unauthorized modifications if the attacker can control the reverse DNS of their connection. Organizations using Keycloak for identity and access management should prioritize addressing this issue to mitigate potential security risks.
Original NVD Description
A flaw was found in the keycloak-services component of Keycloak, which provides identity and access management services. The issue occurs when a realm administrator uses a wildcard domain (like *.example.com) to restrict which hosts can register or update clients. Due to improper validation, the system accepts any hostname that ends with the specified domain suffix, even if it is not a legitimate subdomain. An attacker who can control the reverse DNS of their connection can bypass these host-based restrictions, potentially allowing unauthorized client modifications.
Related CVEs
Other vulnerabilities affecting the same vendor(s)