CVE-2022-31459 in Meeting Owl
Summary
by MITRE • 06/03/2022
Owl Labs Meeting Owl 5.2.0.15 allows attackers to retrieve the passcode hash via a certain c 10 value over Bluetooth.
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Analysis
by VulDB Data Team • 06/06/2022
The vulnerability identified as CVE-2022-31459 affects Owl Labs Meeting Owl devices running firmware version 5.2.0.15 and potentially earlier versions. This security flaw resides within the Bluetooth communication interface of the device, specifically exposing a critical weakness in the authentication mechanism. The vulnerability allows remote attackers to extract passcode hashes through manipulation of a specific c10 value, which represents a characteristic or parameter within the Bluetooth Low Energy protocol stack. This represents a significant security risk as it undermines the device's ability to maintain secure authentication boundaries.
The technical implementation of this vulnerability stems from improper handling of Bluetooth communication parameters within the device's firmware. When an attacker establishes a Bluetooth connection to the Meeting Owl device, they can exploit a flaw in the characteristic value c10 to gain unauthorized access to the device's passcode hash storage. This weakness falls under the category of improper credential handling and weak authentication mechanisms, which aligns with CWE-255 - Credentials Management Vulnerabilities. The vulnerability essentially allows an attacker to bypass normal authentication procedures and directly access stored authentication credentials that should remain protected within the device's secure memory.
The operational impact of this vulnerability extends beyond simple credential theft, as it provides attackers with the foundation for further exploitation attempts. Once an attacker obtains the passcode hash, they can attempt offline password cracking attacks or use the information to perform credential reuse attacks against other systems. The Meeting Owl device serves as a communication endpoint in video conferencing environments, making it a valuable target for attackers seeking to compromise enterprise communication infrastructure. This vulnerability could enable attackers to gain persistent access to meeting rooms, potentially allowing for surveillance of sensitive business discussions or unauthorized access to corporate networks through the device's connection points. The impact is particularly concerning in enterprise environments where such devices are commonly deployed for secure video conferencing and collaboration purposes.
Mitigation strategies for this vulnerability should include immediate firmware updates from Owl Labs to address the Bluetooth communication flaw. Organizations should also implement network segmentation to limit Bluetooth access to trusted devices only, and consider disabling Bluetooth functionality on the device when not actively required. Security monitoring should be enhanced to detect anomalous Bluetooth connection patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of secure Bluetooth implementation and proper authentication handling, which aligns with ATT&CK technique T1566 - Phishing for Information and T1075 - Pass the Hash. Organizations should also conduct thorough security assessments of all IoT devices within their network to identify similar vulnerabilities in the Bluetooth communication stack. Additionally, implementing network-level controls to restrict Bluetooth communication and regularly updating device firmware can significantly reduce the risk of exploitation.