Approval Bypass in OmniAgent via Unsafe find Command

Executive Summary

This vulnerability is an approval bypass in OmniAgent's ReflexionAgent._is_safe_bash_command function. The system incorrectly treats any command starting with 'find' as safe without checking its arguments. Attackers can exploit this by using 'find -execdir' to run malicious binaries like dd, nc, perl, or openssl through an unsandboxed shell, bypassing human approval requirements.

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Detection Guidance

To detect this vulnerability, monitor for unauthorized use of the 'find' command with '-execdir' arguments in shell command logs or agent execution traces. Check for commands like 'find <path> -execdir dd if=/dev/zero of=<file>' or 'find <path> -execdir python3 -c "<code>"' in system logs or OmniAgent's execution history.

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Impact Analysis

This vulnerability allows attackers to execute arbitrary code, overwrite files, or gain unauthorized system access without requiring human approval. It undermines the agent's safety controls, potentially leading to data breaches, system compromise, or unintended destructive actions like file deletion or modification.

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Compliance Impact

This vulnerability could lead to unauthorized file overwrites, data exfiltration, or arbitrary code execution without human approval, which may violate GDPR's data integrity and confidentiality requirements (Article 5) and HIPAA's security rule for protecting electronic protected health information (ePHI). The lack of proper input validation and approval bypass undermines security controls, potentially exposing sensitive data.

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Mitigation Strategies

Immediately update OmniAgent to the latest version to patch the approval bypass. Disable or restrict the use of 'find -execdir' in shell command execution policies. Implement stricter input validation for agent commands and enforce mandatory human approval for all high-risk operations.

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