CVE-2018-7512 in G-Cam EFD-2250
Summary
by MITRE
A cross-site scripting vulnerability has been identified in Geutebruck G-Cam/EFD-2250 Version 1.12.0.4 and Topline TopFD-2125 Version 3.15.1 IP cameras, which may allow remote code execution.
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Analysis
by VulDB Data Team • 01/25/2020
The vulnerability CVE-2018-7512 represents a critical cross-site scripting flaw affecting IP camera firmware versions from Geutebruck and Topline manufacturers. This vulnerability exists within the web interface of these devices, specifically in the parameter handling mechanisms that process user input. The affected models include Geutebruck G-Cam/EFD-2250 running version 1.12.0.4 and Topline TopFD-2125 running version 3.15.1, both of which expose web-based management interfaces that fail to properly sanitize input parameters. The flaw stems from inadequate validation of user-supplied data within the device's web server component, creating an attack vector that can be exploited through maliciously crafted HTTP requests.
The technical exploitation of this vulnerability follows a standard XSS attack pattern where malicious input is injected into web pages viewed by other users. In this case, the vulnerability occurs when the device processes parameters passed through HTTP requests without proper sanitization or encoding mechanisms. Attackers can craft specially formatted URLs or form submissions that contain malicious JavaScript code, which then executes in the context of other users who view the affected web interface. The vulnerability's classification as a CWE-79 (Cross-Site Scripting) indicates that the application fails to validate or escape user-provided input before incorporating it into dynamically generated web content.
The operational impact of this vulnerability extends beyond typical XSS consequences to potentially enable remote code execution capabilities. When combined with other attack vectors or when the XSS payload includes additional exploitation techniques, attackers can gain unauthorized access to the device's underlying system. This represents a significant security risk for surveillance deployments where these cameras are used, as attackers could potentially access video feeds, modify device configurations, or even gain full administrative control. The vulnerability affects network security infrastructure components that are often deployed in sensitive environments, making the potential impact particularly severe for organizations relying on these devices for security monitoring.
Mitigation strategies for CVE-2018-7512 should focus on immediate firmware updates from manufacturers, network segmentation to limit access to affected devices, and implementation of web application firewalls to detect and prevent malicious requests. Organizations should also conduct comprehensive network scans to identify all affected devices and ensure that administrative interfaces are not directly exposed to untrusted networks. The vulnerability demonstrates the importance of proper input validation and output encoding practices in embedded web applications, aligning with ATT&CK technique T1212 (Exploitation for Credential Access) and emphasizing the need for secure coding practices in IoT device development. Security teams should implement monitoring for suspicious web traffic patterns and consider network-based intrusion detection systems to identify potential exploitation attempts targeting these specific device models.