CVE-2018-14064 in WiFi B-380 Camera
Summary
by MITRE
The uc-http service 1.0.0 on VelotiSmart WiFi B-380 camera devices allows Directory Traversal, as demonstrated by /../../etc/passwd on TCP port 80.
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Analysis
by VulDB Data Team • 10/05/2024
The vulnerability identified as CVE-2018-14064 represents a critical directory traversal flaw in the uc-http service version 1.0.0 running on VelotiSmart WiFi B-380 camera devices. This weakness enables remote attackers to access sensitive system files and directories by manipulating file path references through the web interface. The specific exploit pattern involves sending requests containing sequences such as /../../etc/passwd to the TCP port 80, which allows unauthorized access to the system's password file and potentially other sensitive data stored in the device's file system. This vulnerability falls under the CWE-22 category of Improper Limitation of a Pathname to a Restricted Directory, commonly known as Path Traversal, which is a well-documented security weakness affecting numerous networked devices and web applications. The attack vector leverages the device's HTTP service to bypass normal access controls and retrieve files that should remain protected within the system's restricted directories.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential access to system credentials, configuration files, and other sensitive data that could facilitate further exploitation. The VelotiSmart WiFi B-380 camera device, being a network-connected security appliance, becomes a potential entry point for attackers seeking to compromise the entire network infrastructure. Once an attacker gains access to the device's file system through this directory traversal vulnerability, they can potentially escalate privileges, modify system configurations, or even install malicious software on the device. The exposure of /etc/passwd specifically indicates that the attacker could obtain user account information, which may lead to credential reuse attacks or further privilege escalation attempts. This vulnerability demonstrates a fundamental lack of proper input validation and access control mechanisms within the device's web service implementation, creating a persistent security risk for organizations relying on these networked devices for surveillance and security monitoring.
Mitigation strategies for CVE-2018-14064 should prioritize immediate firmware updates from the manufacturer, as this vulnerability affects a specific version of the uc-http service that likely contains a known exploit. Network segmentation and firewall rules should be implemented to restrict access to TCP port 80 on these devices, limiting exposure to internal network traffic only. Additionally, organizations should conduct comprehensive vulnerability assessments to identify other potentially affected devices within their network infrastructure that may be running similar software versions. The ATT&CK framework categorizes this vulnerability under T1083 (File and Directory Discovery) and T1566 (Phishing for Information) as attackers may use the leaked information to plan further attacks or gain additional system access. Regular security audits and network monitoring should be implemented to detect anomalous traffic patterns or unauthorized access attempts to these devices, while also ensuring that all networked security appliances maintain current firmware versions to prevent exploitation of known vulnerabilities. Organizations should also consider implementing network access control policies that restrict which systems can communicate with these devices and establish baseline configurations that disable unnecessary services to minimize attack surface exposure.