Unsafe Deserialization in Spring for GraphQL

Executive Summary

Spring for GraphQL versions 2.0.0 to 2.0.4 are vulnerable to unsafe deserialization when processing paginated GraphQL queries. This occurs if the application uses Spring GraphQL, Jackson 2.x for JSON deserialization, exposes a paginated field, and has specific classes in its classpath that could execute unintended logic during deserialization.

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Detection Guidance

Detecting this vulnerability requires checking if your system runs Spring for GraphQL versions 2.0.0 to 2.0.4 and has Jackson 2.x in the classpath. Inspect application dependencies using commands like 'mvn dependency:tree' for Maven or 'gradle dependencies' for Gradle to verify versions.

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Impact Analysis

An attacker could exploit this by crafting a malicious GraphQL request, potentially leading to remote code execution. This could allow unauthorized access or control over the affected system.

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Compliance Impact

This vulnerability could potentially lead to remote code execution, which may result in unauthorized access to sensitive data. For GDPR, this could impact data confidentiality and integrity, potentially violating principles of data protection by design and default. For HIPAA, it may compromise protected health information if exploited in healthcare applications.

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Mitigation Strategies

Upgrade Spring for GraphQL to version 2.0.5 (OSS) or 2.0.4.1 (Enterprise) immediately. No additional mitigation steps are required after upgrading.

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