Groovy Sandbox Bypass in Apache Syncope

Executive Summary

This vulnerability in Apache Syncope allows an administrator with sufficient permissions to create a malicious Groovy class that bypasses the Groovy security sandbox. This could enable execution of untrusted code, potentially leading to unauthorized actions or system compromise.

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Detection Guidance

This vulnerability involves improper isolation in Apache Syncope where malicious Groovy code can bypass security sandboxing. Detection requires checking for unauthorized Groovy class creation or suspicious code execution in Syncope instances. Review logs for unusual Groovy class generation or execution attempts, particularly in versions 3.0.0-M0 through 3.0.16, 4.0.0-M0 through 4.0.6, or 4.1.0-M0 through 4.1.1.

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Impact Analysis

An attacker with admin access could exploit this to run arbitrary code, potentially stealing data, disrupting services, or gaining full control over the system. Users of affected versions (3.0.0-M0 to 3.0.16, 4.0.0-M0 to 4.0.6, 4.1.0-M0 to 4.1.1) are at risk.

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Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality requirements or HIPAA's safeguards for protected health information. Compliance may be compromised if exploited.

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Mitigation Strategies

Upgrade Apache Syncope to version 4.0.7 or 4.1.2 or later to fix the Groovy security sandbox issue.

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