Session IP Binding Bypass in IBM i Navigator

Executive Summary

IBM i 7.6, 7.5, 7.4, and 7.3 have a vulnerability where a remote unauthenticated attacker could bypass session IP binding in Navigator for i to gain access to sensitive information.

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Detection Guidance

This vulnerability involves session IP binding bypass in IBM Navigator for i. Detection requires checking for unauthorized access attempts or sessions that bypass IP restrictions. Monitor logs for unusual activity in Navigator for i, particularly around session establishment. Check for multiple concurrent sessions from different IPs using the same account. Review network traffic for unexpected connections to Navigator for i ports.

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Impact Analysis

This vulnerability allows unauthorized access to sensitive data, potentially leading to data breaches or information leaks without requiring authentication.

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Compliance Impact

This vulnerability allows remote unauthenticated attackers to access sensitive information through session IP binding bypass in IBM Navigator for i. This could lead to unauthorized data exposure, potentially violating GDPR's data protection requirements and HIPAA's safeguards for protected health information.

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Mitigation Strategies

Apply the latest IBM i PTFs or updates for Navigator for i to address the session IP binding bypass issue. Monitor IBM security advisories for patches and restrict remote access to Navigator for i until patched.

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