OpenEJB HTTP Server Session Isolation Bypass

Executive Summary

This vulnerability involves the embedded OpenEJB HTTP server failing to isolate HTTP sessions between different web applications. An attacker can exploit this by using a session established in one application to interact with another application, which may trust the session state set by the first application. This only affects deployments hosting multiple web applications on the embedded HTTP server.

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Detection Guidance

To detect this vulnerability, check if multiple web applications are deployed on the embedded OpenEJB HTTP server. Verify if sessions from one application can be used in another. Inspect network access to the embedded HTTP server from untrusted clients.

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Impact Analysis

If you host multiple web applications on the embedded OpenEJB HTTP server, an attacker could gain unauthorized access to sessions or data in other applications by exploiting session sharing. This could lead to data breaches, privilege escalation, or unauthorized actions within affected applications.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements under GDPR and HIPAA. Compliance may be compromised if session isolation failures result in data exposure or unauthorized processing of personal or health information.

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Mitigation Strategies

Block network access to the embedded HTTP server from untrusted clients. Consider migrating to Tomcat-based TomEE distributions to avoid this issue.

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