CRLF Injection in TIBCO WebFOCUS

Executive Summary

This is a CRLF injection vulnerability in ibi WebFOCUS. It allows attackers to inject carriage return and line feed characters into HTTP headers or other text-based protocols, potentially manipulating responses or injecting malicious content.

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Detection Guidance

Detection of CRLF injection vulnerabilities typically involves inspecting web server logs for unusual CRLF sequences in HTTP headers or user inputs. Check for patterns like %0d%0a or \r\n in logs or network traffic. Use tools like Burp Suite or OWASP ZAP to fuzz headers and parameters for CRLF injection. Monitor for unexpected HTTP responses or redirects that may indicate exploitation.

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Impact Analysis

An attacker could exploit this to modify HTTP responses, perform phishing attacks, or bypass security controls. It may also enable session hijacking or cross-site scripting (XSS) if combined with other vulnerabilities.

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Compliance Impact

This vulnerability could lead to unauthorized data access or manipulation, violating GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information. Non-compliance risks include fines and legal penalties.

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Mitigation Strategies

Apply the latest security patches or updates provided by TIBCO for WebFOCUS to address the CRLF injection vulnerability. Review and restrict access to WebFOCUS administrative interfaces. Monitor network traffic for unusual HTTP header or request patterns that may indicate CRLF injection attempts.

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