Improper Privilege Management in mf-yang OpenClaw

Executive Summary

This vulnerability exists in the mf-yang openclaw-cn software up to version 0.2.1. It involves improper privilege management in the function isApprovedElevatedSender, which checks if a sender is approved for elevated permissions. The flaw allows attackers to bypass restrictions by manipulating mutable metadata fields like recipient tokens or sender identifiers, enabling unauthorized acceptance of elevated directives.

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Detection Guidance

Check for unauthorized use of the /elevated directive by inspecting logs for abnormal sender metadata manipulation. Review the isApprovedElevatedSender function in src/auto-reply/reply/reply-elevated.ts for improper token-matching logic involving mutable fields like ctx.To or SenderName.

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Impact Analysis

An attacker could exploit this to gain elevated permissions without proper authorization. This could allow unauthorized access to sensitive functions or data, potentially leading to data breaches, privilege escalation, or system compromise. The attack can be initiated remotely and has been publicly disclosed.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements in GDPR and HIPAA. Non-compliance may result in legal penalties, fines, or reputational damage due to potential data breaches or improper privilege management.

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Mitigation Strategies

Update to the latest version of openclaw-cn if available. Restrict access to the isApprovedElevatedSender function and validate sender tokens separately from mutable metadata. Monitor for unauthorized /elevated directive usage in logs.

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