CVE-2017-2710 in Beethoven-W09A
Summary
by MITRE
BTV-W09C229B002CUSTC229D005,BTV-W09C233B029, earlier than BTV-W09C100B006CUSTC100D002 versions, earlier than BTV-W09C128B003CUSTC128D002 versions, earlier than BTV-W09C199B002CUSTC199D002 versions, earlier than BTV-W09C209B005CUSTC209D001 versions, earlier than BTV-W09C331B002CUSTC331D001 versions, earlier than CRR-L09C432B390 versions, earlier than CRR-L09C605B355CUSTC605D003 versions have a Factory Reset Protection (FRP) bypass security vulnerability. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can perform some operations to update the Google account. As a result, the FRP function is bypassed.
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Analysis
by VulDB Data Team • 01/11/2023
The vulnerability identified as CVE-2017-2710 represents a critical security flaw in mobile device firmware implementations that affects multiple device models including BTV-W09C229B002CUSTC229D005, BTV-W09C233B029, and various other variants within the BTV and CRR series. This vulnerability specifically targets the Factory Reset Protection mechanism, which is a fundamental security feature designed to prevent unauthorized access to devices after a factory reset operation. The flaw allows attackers to circumvent the intended security controls that should prevent device recovery without proper authentication credentials. The vulnerability exists across multiple firmware versions, indicating a widespread implementation issue that affects a significant portion of the affected device population. This type of vulnerability falls under CWE-305 Authentication Bypass Through User Identification, which directly addresses the weakness in authentication mechanisms that can be exploited to bypass security controls.
The technical exploitation of this vulnerability occurs during the device reconfiguration process when the factory reset protection function is invoked. Attackers can manipulate the Google account update process during device setup, effectively allowing them to register or modify account associations without proper authorization. The flaw essentially creates a backdoor in the device's security architecture by enabling unauthorized account modifications that should be restricted to legitimate device owners. This manipulation of the account registration process during factory reset operations undermines the fundamental security principle that device recovery should require proper authentication. The vulnerability demonstrates a weakness in the device's trust model and authentication flow, where the system fails to properly validate account ownership during critical setup phases. According to ATT&CK framework, this vulnerability maps to T1499.001 Unauthorized Access to Accounts, which encompasses techniques for bypassing authentication mechanisms to gain access to systems.
The operational impact of this vulnerability extends beyond simple device security concerns to encompass broader data protection and privacy risks. When an attacker can bypass factory reset protection, they gain unauthorized access to device data, applications, and potentially sensitive information stored on the device. This vulnerability is particularly concerning because it affects the most fundamental security protection mechanisms available to device owners. The vulnerability can be exploited in various attack scenarios including theft recovery, where an attacker might attempt to restore a stolen device to a functional state without the legitimate owner's credentials. The implications include potential data breaches, identity theft, and unauthorized access to personal information that may be stored on the device. This type of vulnerability directly impacts the security posture of mobile devices and can be exploited by both malicious actors and sophisticated attackers seeking to compromise device integrity.
Mitigation strategies for CVE-2017-2710 should focus on immediate firmware updates and system patches provided by device manufacturers. Organizations and individuals should ensure all affected devices receive the latest security updates from their manufacturers, as these updates typically contain fixes for authentication bypass vulnerabilities. Device administrators should also implement additional security measures such as remote wipe capabilities, encryption enforcement, and monitoring for unauthorized device access attempts. The vulnerability highlights the importance of proper authentication flow validation during critical system operations and emphasizes the need for robust security testing of device recovery mechanisms. Network security teams should monitor for suspicious account modifications or device registration attempts that could indicate exploitation of this vulnerability. The remediation process should include comprehensive testing of the factory reset functionality to ensure that proper authentication mechanisms are enforced and that account modifications cannot be performed without valid credentials, thereby preventing unauthorized access to device resources and data.