IBM Concert Cross-Origin Resource Sharing Privilege Escalation

Executive Summary

IBM Concert versions 1.0 through 3.0.0 have a vulnerability due to improperly configured cross-origin resource sharing (CORS). This allows attackers to send requests from untrusted domains and perform privileged actions on behalf of users.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability involves improper CORS configuration in IBM Concert 1.0 through 3.0.0. Detection requires checking HTTP response headers for CORS policies. Use tools like curl or browser developer tools to inspect headers for 'Access-Control-Allow-Origin' values not restricted to trusted domains. Example: curl -I https://your-ibm-concert-domain.com

Useful 0 Not Useful 0

Impact Analysis

An attacker could exploit this to interact with IBM Concert as if they were a legitimate user, potentially accessing sensitive data or performing unauthorized actions. The low CVSS score suggests limited impact but still poses a risk.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by allowing unauthorized cross-origin requests that may expose sensitive data. The lack of domain restrictions in CORS could lead to data breaches or unauthorized access, violating privacy and security requirements under these regulations.

Useful 0 Not Useful 0

Mitigation Strategies

Configure CORS settings to restrict trusted domains explicitly. Ensure only necessary domains are allowed and avoid wildcard (*) usage. Review and update IBM Concert configurations to enforce domain restrictions.

Useful 0 Not Useful 0