CVE-2023-23362 in QTS
Summary
by MITRE • 09/22/2023
An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability allows remote authenticated users to execute commands via susceptible QNAP devices.
We have already fixed the vulnerability in the following versions: QTS 5.0.1.2376 build 20230421 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2376 build 20230421 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later
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Analysis
by VulDB Data Team • 09/22/2023
The CVE-2023-23362 vulnerability represents a critical operating system command injection flaw within QNAP network-attached storage (NAS) devices, demonstrating the inherent risks associated with improper input validation in embedded systems. This vulnerability specifically targets the QNAP QTS and QuTS operating systems, which are widely deployed in enterprise and home network environments for file storage, backup services, and media streaming. The flaw allows authenticated remote attackers to execute arbitrary operating system commands on affected devices, effectively granting them full control over the compromised system. The vulnerability stems from insufficient sanitization of user-supplied input parameters that are subsequently processed by the system's command execution mechanisms, creating a direct pathway for malicious command injection attacks. This issue aligns with CWE-77, which categorizes command injection vulnerabilities as a critical weakness in software applications that directly execute commands without proper validation or escaping of input data.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to perform a wide range of malicious activities including data exfiltration, system modification, and establishment of persistent backdoors. Remote authenticated users can exploit this weakness to escalate privileges, install malware, or use the compromised device as a pivot point for attacking other systems within the local network. The attack surface is particularly concerning given that QNAP devices are commonly deployed in environments where they serve as central storage points for sensitive corporate data, personal information, and critical business operations. Attackers can leverage this vulnerability to gain unauthorized access to network resources, potentially leading to data breaches, service disruption, and compliance violations. The vulnerability's classification under the MITRE ATT&CK framework would include techniques such as command and control through remote access tools, privilege escalation, and lateral movement within network environments, making it a significant threat vector for advanced persistent threat actors.
Organizations utilizing QNAP devices must prioritize immediate remediation through the application of vendor-provided patches, as the vulnerability remains exploitable in unpatched systems. The affected versions include QTS 5.0.1.2376 build 20230421 and later, QTS 4.5.4.2374 build 20230416 and later, QuTS hero h5.0.1.2376 build 20230421 and later, QuTS hero h4.5.4.2374 build 20230417 and later, and QuTScloud c5.0.1.2374 and later. Security teams should implement comprehensive network monitoring to detect potential exploitation attempts and establish baseline configurations that minimize attack surface exposure. Additionally, organizations should consider implementing network segmentation strategies to limit the potential impact of compromise and maintain detailed inventory records of all QNAP devices within their environments. The vulnerability highlights the critical importance of regular security updates and proper input validation in embedded systems, particularly those handling sensitive data and serving as network infrastructure components. Organizations should also conduct thorough vulnerability assessments to identify any other potentially vulnerable systems that may share similar architectural patterns or input handling mechanisms that could be susceptible to similar command injection attacks.