CVE-2018-7826 in Sarix Enhanced Camera
Summary
by MITRE
A Command Injection vulnerability exists in the web-based GUI of the 1st Gen Pelco Sarix Enhanced Camera that could allow a remote attacker to execute arbitrary commands.
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Analysis
by VulDB Data Team • 09/23/2023
The CVE-2018-7826 vulnerability represents a critical command injection flaw in the web-based graphical user interface of Pelco Sarix Enhanced Camera models from the first generation. This vulnerability stems from inadequate input validation and sanitization within the camera's web administration interface, creating a pathway for remote attackers to execute arbitrary commands on the affected device. The flaw specifically affects the command execution functionality that handles user-supplied parameters, allowing malicious actors to inject and execute system commands directly through the web interface without proper authentication or authorization.
The technical nature of this vulnerability aligns with CWE-77 and CWE-88, which categorize command injection flaws where attacker-controlled data is interpreted as shell commands. The vulnerability exists due to insufficient sanitization of user inputs passed to system commands, enabling attackers to manipulate the command execution flow through crafted input sequences. The affected web-based GUI interface likely processes user parameters directly in shell contexts, creating an environment where malicious command sequences can be executed with the privileges of the web server process. This represents a classic command injection vulnerability that operates at the application layer, allowing for arbitrary code execution on the target device.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete control over the affected camera device. Remote attackers can leverage this vulnerability to execute arbitrary commands including but not limited to system reconnaissance, data exfiltration, privilege escalation, and persistent access establishment. The compromised device could serve as a foothold for broader network attacks, potentially enabling lateral movement within the security perimeter. Additionally, the vulnerability could lead to complete device compromise, allowing attackers to modify camera configurations, disable security features, or use the device as a pivot point for attacking other network components. The implications extend beyond the immediate device compromise, as camera systems often form critical parts of security infrastructure, making this vulnerability particularly dangerous in environments where physical security is paramount.
Mitigation strategies for CVE-2018-7826 should encompass both immediate and long-term approaches to address the command injection vulnerability. Immediate remediation efforts should focus on applying vendor-provided security patches or firmware updates that address the input validation issues within the web interface. Network segmentation and access control measures should be implemented to limit access to the camera's web interface to authorized personnel only. The principle of least privilege should be enforced by ensuring that web interface accounts have minimal necessary permissions and that administrative access is restricted to trusted individuals. Additionally, network monitoring and intrusion detection systems should be configured to detect suspicious command execution patterns and unauthorized access attempts to the camera interface. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other networked devices and ensure ongoing protection against command injection attacks that align with ATT&CK technique T1059.001 for command and script execution.