IBM Concert RBAC Wildcard Permission Bypass Vulnerability

Executive Summary

IBM Concert 1.0.0 through 3.0.0 has a vulnerability where remote authenticated attackers can access or modify unauthorized resources. This occurs because Role-Based Access Control (RBAC) permission definitions use wildcards, allowing broader permissions than intended.

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Detection Guidance

This vulnerability involves IBM Concert's RBAC permission definitions using wildcards, allowing unauthorized access or modification. Detection requires reviewing IBM Concert's configuration files and RBAC settings for wildcard usage in permission definitions. Check IBM Concert logs for unusual access patterns or unauthorized resource modifications. No specific commands are provided in the context.

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Impact Analysis

This vulnerability could allow attackers to read or alter sensitive data they should not have access to, leading to data breaches, unauthorized modifications, or potential system compromise. The high CVSS score (9.6) indicates significant risk.

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Compliance Impact

This vulnerability likely violates compliance requirements for GDPR and HIPAA, as it enables unauthorized access to personal or health data. Organizations using affected IBM Concert versions may face regulatory penalties for failing to protect sensitive information.

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Mitigation Strategies

Review and remove wildcard usage in RBAC permission definitions in IBM Concert 1.0.0 through 3.0.0. Ensure permissions are explicitly defined to prevent unauthorized access or modification.

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