Path Traversal in MAA-AI MaaMCP

Executive Summary

This vulnerability is a path traversal issue in the MaaMCP project affecting the save_pipeline/load_pipeline functions in pipeline_tools.py. It allows attackers to manipulate file paths to access or write files outside intended directories. The exploit can be initiated remotely and has been publicly disclosed. A patch has been provided but requires deployment.

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Detection Guidance

To detect this vulnerability, check for unauthorized file access or manipulation in the MaaMCP pipeline_tools.py file. Look for suspicious paths like /etc/passwd or attempts to traverse directories using sequences like .. in the pipeline_file_path parameter. Review logs for calls to save_pipeline or load_pipeline functions with unexpected arguments.

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Impact Analysis

An attacker could read sensitive files on your system, overwrite important files, or probe for file existence. This could lead to information leakage or system compromise depending on the files accessed. The impact is limited by the need for user interaction or LLM parsing to reconstruct content.

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Compliance Impact

The vulnerability allows arbitrary file path traversal, which could lead to unauthorized access to sensitive files. This may violate GDPR's data protection principles if personal data is exposed, and HIPAA's security rules if protected health information is compromised. However, the exploit requires user interaction and is read-only, limiting direct impact.

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Mitigation Strategies

Immediately apply the patch c93ef45cba75295eba26d9ff1ffb9202a91c6150 to remove the vulnerable functions. Alternatively, remove the open_pipeline_in_browser tool and related configurations as described in the patch. Ensure path validation is implemented for save_pipeline and load_pipeline functions to restrict file operations to intended directories.

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