CVE-2018-7528 in G-Cam EFD-2250
Summary
by MITRE
An SQL injection 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 an attacker to alter stored data.
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Analysis
by VulDB Data Team • 02/06/2021
The CVE-2018-7528 vulnerability represents a critical SQL injection flaw affecting IP camera systems from Geutebruck and Topline manufacturers. This vulnerability specifically impacts the G-Cam/EFD-2250 Version 1.12.0.4 and TopFD-2125 Version 3.15.1 models, exposing these devices to potential unauthorized data manipulation. The flaw resides in the authentication and data handling mechanisms of these network video recording devices, where insufficient input validation allows malicious actors to inject crafted SQL commands into database queries. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities, and aligns with ATT&CK technique T1190 for exploitation of remote services and T1071.004 for application layer protocol manipulation.
The technical implementation of this vulnerability stems from improper sanitization of user inputs within the camera's web interface and API endpoints. When legitimate users attempt to authenticate or access camera settings, the system fails to adequately filter or escape special characters that could be interpreted as SQL command delimiters. Attackers can exploit this by crafting malicious input parameters that bypass authentication mechanisms and directly manipulate the underlying database structures. The vulnerability enables attackers to perform unauthorized read, write, or delete operations on the camera's stored data, potentially compromising video recordings, configuration settings, and user credentials. This type of injection attack can be particularly dangerous in security environments where IP cameras serve as critical surveillance components.
The operational impact of CVE-2018-7528 extends beyond simple data corruption, as it can lead to complete system compromise and unauthorized surveillance access. An attacker who successfully exploits this vulnerability could gain persistent access to the camera's database, potentially enabling them to modify surveillance footage, alter access controls, or even disable security features. The affected devices typically store sensitive information including user accounts, network configurations, and recorded video data, making them attractive targets for adversaries seeking to disrupt security operations or extract confidential information. Organizations relying on these camera models face potential exposure to insider threats, external attacks, or both, as the vulnerability can be exploited from remote locations without requiring physical access to the devices.
Mitigation strategies for CVE-2018-7528 should prioritize immediate firmware updates from manufacturers, as Geutebruck and Topline have released patches addressing this specific vulnerability. Network segmentation and access control measures should be implemented to limit exposure of these devices to untrusted networks, with firewalls configured to restrict access to only necessary ports and protocols. Regular security audits should include comprehensive testing of input validation mechanisms and database query handling within networked devices. Additionally, organizations should implement continuous monitoring solutions to detect anomalous database access patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of secure coding practices and input validation, particularly in embedded systems and IoT devices where security updates may be infrequent or unavailable, reinforcing the need for robust security architectures that follow established frameworks such as the OWASP Top Ten and NIST cybersecurity guidelines.