Denial of Service via Policy Bypass in Apache Neethi

Executive Summary

This vulnerability allows attackers to bypass a limit on policy alternatives in Apache Neethi versions before 3.2.3. By sending specially crafted policies, they can cause excessive resource consumption, leading to a denial of service.

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Detection Guidance

To detect this vulnerability, check the version of Apache Neethi installed on your system. If it is version 3.2.2 or earlier, the system is vulnerable. Use commands like 'dpkg -l | grep neethi' for Debian-based systems or 'rpm -qa | grep neethi' for RPM-based systems to verify the installed version.

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Impact Analysis

If you use Apache Neethi versions before 3.2.3, an attacker could exploit this to crash your system by consuming too much memory or CPU, disrupting normal operations.

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Compliance Impact

This vulnerability may lead to a denial of service attack via resource consumption, which could disrupt services handling sensitive data. However, the provided context does not specify direct impacts on compliance with standards like GDPR or HIPAA.

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Mitigation Strategies

Upgrade Apache Neethi to version 3.2.3 or later to address the policy normalization bypass issue.

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