CVE-2022-48313 in EMUI
Summary
by MITRE • 04/16/2023
The Bluetooth module has a vulnerability of bypassing the user confirmation in the pairing process. Successful exploitation of this vulnerability may affect confidentiality.
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Analysis
by VulDB Data Team • 05/05/2023
The vulnerability identified as CVE-2022-48313 represents a critical flaw in Bluetooth module implementations that allows attackers to circumvent the standard user confirmation requirements during the pairing process. This security weakness fundamentally undermines the authentication mechanisms that are designed to protect wireless device communications, creating a pathway for unauthorized access to sensitive data and system resources. The vulnerability operates at the protocol level where the expected security controls fail to properly validate user consent, enabling malicious actors to establish connections without proper authorization.
This technical flaw falls under the category of insufficient authentication controls and can be categorized as a CWE-308 weakness related to use of a one-way hash with a predictable salt. The vulnerability specifically targets the Bluetooth pairing process which typically requires user interaction to confirm device trust relationships. When this confirmation step is bypassed, attackers can potentially intercept communications, access stored data, or even execute further attacks through the compromised connection. The security implications extend beyond simple data exposure as this weakness can serve as a foothold for more sophisticated attacks within networked environments.
The operational impact of CVE-2022-48313 is significant across multiple threat vectors and attack scenarios. From an adversary perspective, this vulnerability aligns with techniques described in the MITRE ATT&CK framework under the T1041 technique for data compression and T1566 for credential access through social engineering. The flaw enables attackers to perform man-in-the-middle attacks, eavesdrop on confidential communications, and potentially gain access to sensitive information stored on paired devices. Organizations relying on Bluetooth connectivity for critical operations face heightened risk of data breaches, privacy violations, and potential regulatory compliance issues.
Mitigation strategies for this vulnerability should focus on immediate firmware updates from device manufacturers and implementation of network-level controls to monitor and restrict Bluetooth communications. Security teams should conduct comprehensive assessments of all Bluetooth-enabled devices within their environments and implement mandatory user confirmation requirements even when system-level controls fail. The remediation process must include thorough testing of updated firmware to ensure that the pairing bypass mechanism is properly addressed while maintaining functionality for legitimate users. Additionally, organizations should consider implementing Bluetooth security policies that require regular security audits and establish procedures for detecting unauthorized pairing attempts through network monitoring solutions.