CVE-2018-19007 in E2 Camera
Summary
by MITRE
In Geutebrueck GmbH E2 Camera Series versions prior to 1.12.0.25 the DDNS configuration (in the Network Configuration panel) is vulnerable to an OS system command injection as root.
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Analysis
by VulDB Data Team • 04/21/2020
The vulnerability identified as CVE-2018-19007 affects the Geutebrueck GmbH E2 Camera Series devices running firmware versions prior to 1.12.0.25. This represents a critical security flaw that allows unauthorized attackers to execute arbitrary operating system commands with root privileges through the Dynamic Domain Name System (DDNS) configuration interface. The vulnerability specifically resides within the network configuration panel where users can set up DDNS settings, making it a prime target for exploitation in environments where camera devices are accessible to untrusted network entities.
The technical flaw manifests as a command injection vulnerability that occurs when the device fails to properly sanitize user input provided in the DDNS configuration fields. When administrators or attackers enter malicious commands into the DDNS settings, these inputs are directly passed to the underlying operating system without adequate validation or escaping mechanisms. This allows an attacker to inject operating system commands that execute with the highest privilege level, effectively granting them complete control over the device's operating system. The vulnerability is classified as an operating system command injection flaw which maps to CWE-77 in the Common Weakness Enumeration catalog, specifically categorized under improper neutralization of special elements used in OS commands.
The operational impact of this vulnerability extends far beyond simple unauthorized access, as it enables full system compromise of affected camera devices. An attacker with access to the network can exploit this vulnerability to gain root privileges and execute any command on the device, potentially leading to data exfiltration, device redirection, or use as a pivot point for further attacks within the network infrastructure. The implications are particularly severe for surveillance environments where camera devices are often deployed in sensitive locations, as this vulnerability could allow adversaries to manipulate video feeds, disable security features, or establish persistent backdoors. This type of vulnerability aligns with ATT&CK technique T1059.001 for command and scripting interpreter, where adversaries use legitimate system tools to execute malicious commands.
The mitigation strategy for CVE-2018-19007 requires immediate firmware updates to version 1.12.0.25 or later, which includes proper input sanitization and validation for DDNS configuration parameters. Network administrators should also implement additional security controls such as restricting access to the camera management interfaces through network segmentation, implementing strong authentication mechanisms, and monitoring for suspicious network activity that might indicate exploitation attempts. The vulnerability demonstrates the critical importance of input validation in embedded systems and highlights the need for proper security testing of network configuration interfaces in IoT devices, particularly those used in security-sensitive applications where the consequences of exploitation can be severe.