CVE-2017-8221 in Wireless IP Camera WIFICAM
Summary
by MITRE
Wireless IP Camera (P2P) WIFICAM devices rely on a cleartext UDP tunnel protocol (aka the Cloud feature) for communication between an Android application and a camera device, which allows remote attackers to obtain sensitive information by sniffing the network.
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Analysis
by VulDB Data Team • 08/15/2024
The vulnerability identified as CVE-2017-8221 affects Wireless IP Camera devices that utilize a peer-to-peer communication protocol known as the Cloud feature. These devices establish communication channels between Android mobile applications and camera hardware through a cleartext UDP tunnel mechanism that lacks proper encryption and authentication measures. The flaw resides in the fundamental design of the communication protocol where sensitive data flows through unencrypted channels, making it susceptible to interception and analysis by malicious actors monitoring network traffic. This vulnerability specifically targets the wireless camera ecosystem where manufacturers implemented convenience features that prioritized ease of use over security considerations, creating an attack surface that adversaries can exploit without requiring significant technical expertise or privileged access.
The technical implementation of this vulnerability stems from the absence of cryptographic protection in the communication protocol between the mobile application and the camera device. The UDP tunnel operates in cleartext mode, meaning that all transmitted data including authentication credentials, configuration parameters, and potentially video streams flow through the network without encryption. Network sniffing tools can easily capture these packets and extract sensitive information from the payload, which may include user credentials, device identifiers, network configuration details, and other operational parameters. This design flaw aligns with CWE-312 (Cleartext Storage of Sensitive Information) and CWE-310 (Cryptographic Issues) categories, representing a fundamental failure in implementing secure communication practices. The protocol's reliance on UDP rather than TCP further compounds the issue as UDP does not provide built-in reliability or encryption mechanisms that would normally be expected in secure communication channels.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass potential unauthorized access and device compromise. Remote attackers who can monitor the network traffic between the Android application and the camera can intercept authentication tokens, session identifiers, and other sensitive data that would allow them to gain unauthorized control over the camera device. This could enable attackers to view live video feeds, modify camera settings, access stored recordings, or even perform denial-of-service attacks by disrupting communication channels. The vulnerability is particularly concerning in environments where wireless cameras are deployed for security purposes, as it undermines the very foundation of trust that users place in these devices. According to ATT&CK framework category T1046 (Network Service Scanning) and T1071.004 (Application Layer Protocol: DNS), adversaries can leverage this vulnerability to conduct reconnaissance and establish persistent access to networked camera systems without requiring physical proximity or complex attack vectors.
Mitigation strategies for CVE-2017-8221 should focus on both immediate network-level protections and long-term architectural improvements. Organizations should implement network segmentation to isolate camera devices from critical systems and deploy network monitoring tools to detect unusual traffic patterns that might indicate exploitation attempts. The most effective immediate solution involves upgrading firmware to versions that implement encrypted communication protocols and disable the vulnerable cleartext UDP tunnel functionality. Security measures should include mandatory encryption for all communication channels, implementation of strong authentication mechanisms, and regular security audits of networked devices. Additionally, network administrators should consider deploying intrusion detection systems specifically configured to monitor for suspicious UDP traffic patterns associated with the affected camera protocols. The vulnerability highlights the critical importance of secure-by-design principles in IoT device development and reinforces the need for manufacturers to prioritize security considerations during the initial design phase rather than implementing security measures as afterthoughts. Organizations should also establish incident response procedures specifically tailored to address camera device compromises and maintain detailed logs of all network communications involving these devices to facilitate forensic analysis in case of security incidents.