CVE-2017-10834 in eye Smart HD SCR02HD
Summary
by MITRE
Directory traversal vulnerability in "Dokodemo eye Smart HD" SCR02HD Firmware 1.0.3.1000 and earlier allows authenticated attackers to read arbitrary files via unspecified vectors.
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Analysis
by VulDB Data Team • 11/11/2019
The CVE-2017-10834 vulnerability represents a critical directory traversal flaw within the Dokodemo eye Smart HD SCR02HD security camera firmware version 1.0.3.1000 and earlier. This vulnerability resides in the firmware implementation of a network-connected security device that is designed to provide video surveillance capabilities in residential and commercial environments. The flaw allows authenticated attackers to exploit improper input validation mechanisms that fail to adequately sanitize user-supplied data before processing file system requests. The vulnerability specifically affects the firmware's handling of file path references, where insufficient restrictions permit attackers to manipulate directory navigation sequences and access files outside the intended directory structure.
The technical implementation of this directory traversal vulnerability stems from inadequate validation of input parameters that are processed by the firmware's file access routines. Attackers with valid credentials can construct malicious requests that leverage directory traversal sequences such as ../ or ..\ to navigate beyond the intended file system boundaries. This flaw typically manifests when the firmware application fails to properly validate or canonicalize file path inputs before executing file system operations. The vulnerability operates at the application layer and can be exploited through the device's web interface or API endpoints that handle file-related operations. The authenticated nature of the attack requires an attacker to first obtain valid user credentials, which may be obtained through social engineering, credential reuse, or other initial compromise techniques.
From an operational impact perspective, this vulnerability poses significant security risks to organizations and individuals relying on the SCR02HD device for surveillance purposes. An attacker with access to the device could potentially read sensitive configuration files, authentication credentials, system logs, or other confidential data stored within the device's file system. The exposure of such information could lead to further system compromise, unauthorized access to surveillance footage, or complete device takeover. The vulnerability affects the confidentiality and integrity of the security system, potentially exposing critical infrastructure to unauthorized access. Network security teams should consider this vulnerability as a potential entry point for lateral movement within networks where these devices are deployed, as the device may serve as a gateway to other connected systems.
Organizations should implement immediate mitigations including firmware updates to the latest available version that addresses the directory traversal vulnerability. The device manufacturer should have released patches that properly validate and sanitize all file path inputs before processing file system operations. Network segmentation strategies should be implemented to isolate security camera devices from critical network segments, reducing the potential impact of successful exploitation. Access controls should be strictly enforced through strong authentication mechanisms, including multi-factor authentication where possible, to limit the attack surface. Regular security assessments should include vulnerability scanning of networked devices to identify unpatched systems. This vulnerability aligns with CWE-22 which describes improper limitation of a pathname to a restricted directory, and relates to ATT&CK technique T1210 which covers exploitation of remote services. Organizations should also consider implementing network monitoring to detect anomalous file access patterns that may indicate exploitation attempts, as the vulnerability could be leveraged for data exfiltration or further reconnaissance activities.