CVE-2024-30656 in Dream Wristphone
Summary
by MITRE • 04/16/2024
An issue in Fireboltt Dream Wristphone BSW202_FB_AAC_v2.0_20240110-20240110-1956 allows attackers to cause a Denial of Service (DoS) via a crafted deauth frame.
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Analysis
by VulDB Data Team • 11/14/2024
The vulnerability identified as CVE-2024-30656 affects the Fireboltt Dream Wristphone model BSW202_FB_AAC_v2.0_20240110-20240110-1956, representing a critical denial of service weakness within the device's wireless communication protocols. This flaw specifically manifests through the processing of crafted deauthentication frames, which are commonly used in wireless network attacks to disrupt connectivity between devices and access points. The vulnerability exists within the device's wireless firmware implementation where insufficient validation occurs when handling these specific frame types, allowing malicious actors to exploit the weakness and cause unintended service disruption.
The technical implementation of this vulnerability stems from inadequate input sanitization and frame parsing mechanisms within the wristphone's wireless subsystem. When the device receives a specially crafted deauth frame, the firmware fails to properly validate the frame structure and content before processing it, leading to unexpected behavior that ultimately results in device instability or complete service interruption. This weakness falls under the category of improper input validation as defined by CWE-20, where the system does not adequately check or sanitize data received from external sources. The attack vector is particularly concerning as deauth frames are commonly available and easily generated using standard wireless penetration testing tools, making this vulnerability accessible to adversaries with minimal technical expertise.
The operational impact of CVE-2024-30656 extends beyond simple service disruption, potentially compromising the reliability and security of connected IoT ecosystems. In practical terms, an attacker could exploit this vulnerability to repeatedly cause denial of service conditions, effectively rendering the wristphone unusable for its intended communication purposes. The device's wireless capabilities are essential for its core functionality, including emergency alerts, location tracking, and connectivity to mobile networks, making this vulnerability particularly dangerous for users who depend on these features for safety and communication. The DoS condition can be sustained through repeated attacks, potentially requiring device reboot or firmware reinstallation to restore normal operation, which may not be feasible in emergency situations.
Mitigation strategies for this vulnerability should focus on firmware updates from the vendor, which would address the underlying frame validation issues. Network administrators and users should implement monitoring systems to detect unusual deauth frame activity and establish network segmentation to limit the attack surface. The vulnerability aligns with several ATT&CK techniques including T1498 for network denial of service and T1566 for credential harvesting through network disruption. Additionally, implementing proper wireless network security measures such as WPA3 encryption and monitoring for unauthorized deauth frames can help reduce the risk of exploitation. Organizations should also consider device hardening practices that limit unnecessary wireless functionality and implement intrusion detection systems specifically designed to identify and block malicious deauth frame patterns. The vulnerability demonstrates the importance of robust input validation in embedded systems and highlights the need for comprehensive security testing of wireless protocols in IoT devices.