CVE-2018-4017 in A1 Dashcam
Summary
by MITRE
An exploitable vulnerability exists in the Wi-Fi Access Point feature of the Roav A1 Dashcam running version RoavA1SWV1.9. A set of default credentials can potentially be used to connect to the device. An attacker can connect to the AP to trigger this vulnerability.
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Analysis
by VulDB Data Team • 09/17/2023
The vulnerability described in CVE-2018-4017 represents a critical security flaw in the Roav A1 Dashcam device that operates under the RoavA1SWV1.9 firmware version. This issue specifically affects the Wi-Fi Access Point functionality, which serves as a primary communication channel for device management and data transfer. The device exposes a wireless access point that can be accessed by unauthorized parties, creating a significant attack surface that adversaries can exploit to gain control over the device. The vulnerability stems from the implementation of default authentication credentials that remain unchanged from the factory settings, effectively providing a backdoor access mechanism for any attacker who discovers these hardcoded credentials.
The technical exploitation of this vulnerability occurs through the network interface of the device, specifically targeting the Wi-Fi Access Point feature that allows remote connections. Attackers can connect to the device's wireless network using the default credentials, which typically include common username and password combinations such as admin/admin or admin/password. This default credential configuration violates fundamental security principles and represents a well-documented weakness categorized under CWE-798, which specifically addresses the use of hard-coded credentials in software. The vulnerability enables unauthorized access to the device's management interface, potentially allowing attackers to modify device settings, access stored data, or even install malicious firmware updates.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it creates a persistent threat vector that can be exploited for various malicious activities. Once an attacker gains access through the default credentials, they can potentially perform reconnaissance on the device network, capture network traffic, or use the dashcam as a pivot point to attack other devices within the local network. This scenario aligns with ATT&CK technique T1071.004, which covers application layer protocol: DNS, and demonstrates how compromised devices can be leveraged for broader network infiltration. The vulnerability also poses risks to user privacy and data security, as dashcams typically capture sensitive visual information that could be accessed by unauthorized parties. The device's default configuration leaves it vulnerable to automated scanning attacks, where bots continuously attempt to connect to devices using common default credentials, making the Roav A1 Dashcam an attractive target for mass exploitation campaigns.
Mitigation strategies for this vulnerability require immediate implementation of several security measures to protect affected devices. Organizations and individuals should immediately change the default credentials to strong, unique passwords that are not easily guessable or discoverable through common credential databases. The firmware should be updated to the latest version available from the manufacturer, as this vulnerability was likely addressed in subsequent releases. Network segmentation and access control measures should be implemented to limit the potential impact of unauthorized access, including the use of firewalls and network monitoring tools to detect suspicious activity. Security configurations should follow the principle of least privilege, ensuring that only authorized personnel have access to the device management interfaces. Additionally, regular security audits and vulnerability assessments should be conducted to identify and remediate similar issues in other networked devices. The vulnerability also highlights the importance of secure device provisioning and the need for manufacturers to implement proper authentication mechanisms that do not rely on default credentials. This case study serves as a reminder of the critical importance of secure configuration management and the potential consequences of failing to address basic authentication security requirements in IoT devices.