CVE-2018-7816 in Sarix Enhanced Camera
Summary
by MITRE
A Permissions, Privileges, and Access Control vulnerability exists in the web-based GUI of the 1st Gen Pelco Sarix Enhanced Camera that could allow a remote attacker to delete an arbitrary file.
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Analysis
by VulDB Data Team • 09/23/2023
The CVE-2018-7816 vulnerability represents a critical permissions and access control flaw within the web-based graphical user interface of Pelco Sarix Enhanced Camera models. This vulnerability specifically affects the first generation of these security devices, which are widely deployed in surveillance and monitoring applications across various industries. The flaw stems from inadequate input validation and insufficient authorization checks within the camera's web interface, creating a pathway for unauthorized remote exploitation. Security researchers identified that the vulnerability allows an attacker to execute arbitrary file deletion operations, which could result in significant operational disruption and potential data loss. The issue is particularly concerning given that these cameras are often deployed in sensitive environments where continuous operation and data integrity are paramount for security operations.
The technical implementation of this vulnerability involves the exploitation of insecure file handling mechanisms within the camera's web server component. Attackers can manipulate input parameters through web requests to bypass normal access controls and gain the ability to delete files from the device's storage system. This flaw typically manifests through crafted HTTP requests that target specific endpoints within the camera's web interface, where proper validation of user inputs and authentication checks are either missing or insufficient. The vulnerability can be leveraged remotely without requiring physical access to the device or prior authentication credentials, making it particularly dangerous for network-connected surveillance systems. According to CWE classification, this vulnerability maps to CWE-284 which specifically addresses improper access control, and it aligns with ATT&CK technique T1059.001 for command and scripting interpreter execution through web interfaces.
The operational impact of CVE-2018-7816 extends beyond simple file deletion capabilities and can severely compromise the integrity and availability of surveillance operations. Organizations relying on these cameras for security monitoring could face complete system outages if critical system files are deleted, potentially rendering the entire surveillance infrastructure non-functional. The vulnerability also creates opportunities for attackers to disrupt ongoing surveillance activities, potentially allowing malicious actors to remove evidence or compromise security footage that could be crucial for investigations. Additionally, the ability to delete arbitrary files could be used to escalate privileges or create persistent backdoors within the device's file system. This type of vulnerability is particularly concerning in industrial control systems and critical infrastructure environments where these cameras are often deployed for perimeter security and access monitoring.
Mitigation strategies for CVE-2018-7816 should prioritize immediate network segmentation and access control measures to limit exposure of affected devices. Organizations should implement strict firewall rules that restrict access to the camera's web interface to authorized personnel only, while also ensuring that all network traffic to these devices is properly monitored and logged. The most effective long-term solution involves applying vendor-provided security patches and firmware updates that address the underlying access control flaws in the web interface. Network administrators should also consider disabling unnecessary web services and ports on affected devices, and implementing regular security assessments to identify similar vulnerabilities. According to NIST guidelines for cybersecurity, organizations should maintain an inventory of all connected devices and ensure that all security patches are applied promptly to minimize exposure windows. Regular vulnerability scanning and penetration testing should be conducted to identify additional weaknesses in the network infrastructure that could be exploited to gain access to these surveillance devices.