Incorrect Default Permissions in Bixby Allow Local Command Execution

Executive Summary

This vulnerability involves incorrect default permissions in Bixby versions prior to 4.0.86.0. Local attackers can exploit this to execute arbitrary commands with Bixby privilege, potentially gaining unauthorized control over the system.

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Detection Guidance

Detection requires checking Bixby version and file permissions. Verify installed version is 4.0.86.0 or higher. Check directories like /opt/bixby or /data/data/com.samsung.bixby for improper permissions (e.g., 777). Use commands like 'adb shell pm list packages' to find Bixby, then 'adb shell dumpsys package com.samsung.bixby | grep version' to check version.

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Impact Analysis

If exploited, this vulnerability could allow attackers to run malicious commands on your device with elevated privileges. This may lead to unauthorized access to sensitive data, installation of malware, or disruption of normal device operations.

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Compliance Impact

The vulnerability allows local attackers to execute arbitrary commands with Bixby privilege due to incorrect default permissions. This could potentially lead to unauthorized access or data manipulation, which may impact compliance with standards requiring strict access controls and data protection, such as GDPR or HIPAA.

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Mitigation Strategies

Update Bixby to version 4.0.86.0 or later to fix the incorrect default permissions issue.

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