CVE-2017-7633 in Qfinder Pro
Summary
by MITRE
QNAP Qfinder Pro 6.1.0.0317 and earlier may expose sensitive information contained in NAS devices. If exploited, this may allow attackers to further compromise the device.
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Analysis
by VulDB Data Team • 01/10/2020
The vulnerability identified as CVE-2017-7633 affects QNAP Qfinder Pro versions 6.1.0.0317 and earlier, representing a significant security flaw in network-attached storage device management software. This issue stems from improper handling of sensitive data within the QNAP NAS ecosystem, where the Qfinder Pro application fails to adequately protect confidential information during device discovery and management operations. The flaw exists in the software's interaction with QNAP NAS devices, creating potential exposure pathways for attackers seeking to escalate their privileges or gain unauthorized access to network storage resources.
The technical implementation of this vulnerability manifests through insecure data handling practices within the QNAP Qfinder Pro application. When the software communicates with NAS devices during network discovery processes, it inadvertently exposes sensitive information that should remain protected within the device's internal systems. This occurs due to insufficient input validation and output sanitization mechanisms that fail to properly filter or encrypt data transmitted between the management application and the target NAS devices. The flaw allows attackers to intercept and analyze network traffic containing privileged information, potentially including authentication credentials, device configuration details, or other sensitive operational data.
The operational impact of CVE-2017-7633 extends beyond simple information disclosure, creating opportunities for attackers to conduct more sophisticated compromise operations within QNAP NAS environments. Once sensitive information is exposed through this vulnerability, attackers can leverage the acquired data to perform targeted attacks against the affected devices, potentially escalating privileges or gaining persistent access to network storage resources. This vulnerability aligns with CWE-200, which addresses improper exposure of sensitive information, and represents a critical weakness in the software's security architecture. The exposure of sensitive data through QNAP's management interface creates a significant risk for organizations relying on these devices for critical data storage and management operations.
Organizations utilizing QNAP Qfinder Pro software should implement immediate mitigations to address this vulnerability, including upgrading to versions 6.1.0.0318 or later that contain proper security patches. Network segmentation and monitoring should be enhanced to detect anomalous traffic patterns that might indicate exploitation attempts. The vulnerability demonstrates the importance of secure communication protocols and proper input validation in management software, aligning with ATT&CK technique T1071.004 for application layer protocol and T1046 for network service scanning. Security teams should also consider implementing network-based intrusion detection systems to monitor for suspicious data exposure patterns and ensure proper access controls are maintained for NAS device management interfaces.