CVE-2018-7227 in Pelco Sarix Professional
Summary
by MITRE
A vulnerability exists in Schneider Electric's Pelco Sarix Professional in all firmware versions prior to 3.29.67 which could allow retrieving of specially crafted URLs without authentication that can reveal sensitive information to an attacker.
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Analysis
by VulDB Data Team • 02/21/2023
The vulnerability identified as CVE-2018-7227 affects Schneider Electric's Pelco Sarix Professional video surveillance devices operating on firmware versions prior to 3.29.67. This represents a critical security flaw that undermines the authentication mechanisms protecting sensitive surveillance infrastructure. The device in question is part of the Pelco Sarix line of network video cameras designed for enterprise security applications, making this vulnerability particularly concerning given the sensitive nature of video surveillance data and the potential for unauthorized access to security monitoring systems.
The technical flaw manifests through improper access control implementation that allows unauthenticated users to craft and retrieve specially formatted URLs that would normally require valid authentication credentials. This weakness falls under the category of insecure direct object references as defined by CWE-639, where the application fails to properly validate access to resources that should be restricted. The vulnerability enables attackers to bypass authentication mechanisms through URL manipulation, essentially allowing them to directly access internal system resources without proper authorization. The flaw specifically affects the web interface of the device, where the URL structure contains references to system configuration files, logs, and other sensitive data that should remain protected from unauthorized access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potentially sensitive data that could compromise the entire security posture of the surveillance network. An attacker with access to the network can exploit this vulnerability to retrieve configuration files, system logs, user credentials, and other confidential information that could be used for further attacks or to understand the network architecture. This vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1046 (Network Service Scanning) as attackers can systematically enumerate and access protected resources without detection. The exposure of such information could lead to complete compromise of the surveillance system, potentially allowing attackers to manipulate video feeds, disable security features, or gain insights into physical security patterns that could be exploited for additional attacks.
Organizations utilizing Pelco Sarix Professional devices should immediately implement firmware updates to version 3.29.67 or later to remediate this vulnerability. The update addresses the authentication bypass issue by implementing proper access controls and input validation for URL parameters. Network segmentation and access control measures should be implemented to limit exposure of these devices to untrusted networks, while monitoring should be enabled to detect suspicious access patterns. Regular security assessments should include verification of device firmware versions and proper authentication configurations. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches for networked devices and the potential consequences of legacy systems that fail to receive proper security updates. Organizations should also consider implementing network access controls and firewall rules that restrict access to these devices to only authorized personnel and systems, as recommended by NIST SP 800-41 and ISO/IEC 27001 security frameworks.