CVE-2017-2874 in C1 Indoor HD Camera
Summary
by MITRE
An information disclosure vulnerability exists in the Multi-Camera interface used by the Foscam C1 Indoor HD Camera running application firmware 2.52.2.43. A specially crafted request on port 10001 can allow for a user to retrieve sensitive information without authentication.
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Analysis
by VulDB Data Team • 05/16/2023
The vulnerability identified as CVE-2017-2874 represents a critical information disclosure flaw within the Foscam C1 Indoor HD Camera's multi-camera interface implementation. This security weakness specifically affects devices running firmware version 2.52.2.43 and operates through an unauthenticated communication channel on port 10001. The flaw stems from inadequate input validation and access control mechanisms within the camera's network interface, allowing malicious actors to exploit a specially crafted request to extract sensitive system information. The vulnerability demonstrates a fundamental failure in the camera's security architecture, where proper authentication checks are bypassed, exposing internal system details to unauthorized users.
The technical implementation of this vulnerability involves a protocol-level flaw within the camera's communication stack that processes requests on port 10001. When a malicious user sends a crafted request to this port, the system fails to properly validate the incoming data or verify the requester's credentials before responding with sensitive information. This type of vulnerability maps directly to CWE-200, which encompasses information exposure issues, and represents a classic case of insufficient authentication and authorization controls. The flaw essentially creates a backdoor interface that bypasses normal security boundaries, allowing attackers to obtain system configuration details, user credentials, or other confidential data that should remain protected within the device's secure environment.
The operational impact of CVE-2017-2874 extends beyond simple information leakage, as the exposed data can serve as a foundation for more sophisticated attacks. An attacker who successfully exploits this vulnerability gains access to network configuration details, camera-specific identifiers, and potentially authentication credentials that could enable further compromise of the device or network. This information disclosure creates opportunities for lateral movement within a network, as the exposed data may reveal internal IP addresses, service ports, or device models that can be leveraged for additional attacks. The vulnerability particularly affects IoT security posture, as it demonstrates how consumer-grade devices can contain fundamental security flaws that persist across extended deployment periods. From an attacker's perspective, this vulnerability aligns with ATT&CK technique T1083, which involves discovering system information, and T1566, which encompasses social engineering tactics through information gathering.
Mitigation strategies for this vulnerability require immediate firmware updates from Foscam to address the authentication bypass issue in the multi-camera interface. Network administrators should implement firewall rules to restrict access to port 10001, particularly from untrusted networks, and consider disabling the multi-camera interface if it is not required for operations. The device should be configured with strong, unique passwords and regular credential rotation policies should be enforced. Additionally, network segmentation practices should isolate IoT devices from critical network segments, and continuous monitoring should be implemented to detect anomalous traffic patterns on port 10001. Organizations should also consider implementing network access control measures and regular security assessments of their IoT device inventory to identify similar vulnerabilities. The vulnerability highlights the importance of proper security design principles including the principle of least privilege and defense in depth, where multiple layers of security controls work together to protect against various attack vectors.