CVE-2023-41283 in QTS
Summary
by MITRE • 02/02/2024
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute commands via a network.
We have already fixed the vulnerability in the following versions: QTS 5.1.4.2596 build 20231128 and later QuTS hero h5.1.4.2596 build 20231128 and later QuTScloud c5.1.5.2651 and later
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Analysis
by VulDB Data Team • 02/25/2024
The vulnerability identified as CVE-2023-41283 represents a critical operating system command injection flaw within QNAP's network-attached storage solutions. This security weakness specifically targets the QNAP Turbo Server (QTS) and related operating systems including QuTS hero and QuTScloud platforms. The vulnerability exists in versions prior to the specified patches, creating a significant risk for organizations relying on QNAP devices for their storage infrastructure. The flaw allows authenticated administrators to execute arbitrary operating system commands remotely, effectively bypassing normal access controls and potentially granting full system compromise capabilities.
The technical nature of this vulnerability falls under CWE-77 which specifically addresses command injection flaws in operating systems. The flaw manifests when the affected QNAP operating systems fail to properly sanitize user inputs before executing system commands, creating an environment where maliciously crafted input can be interpreted and executed as legitimate system commands. This type of vulnerability is particularly dangerous because it leverages legitimate administrative privileges, making it difficult to detect through standard network monitoring. The vulnerability operates at the application layer where user-supplied parameters are directly incorporated into system command execution without proper validation or encoding.
From an operational perspective, this vulnerability creates substantial risk for organizations using QNAP storage solutions as it allows for complete system compromise when an authenticated administrator account is compromised or when an attacker gains administrative access through other means. The impact extends beyond simple data theft to include complete system takeover, data manipulation, and potential use as a pivot point for attacking other network segments. Organizations may face regulatory compliance issues if the vulnerability results in unauthorized data access or system breaches, particularly in environments governed by standards such as iso 27001 or soc 2. The remote exploitation capability means that attackers do not need physical access to the devices, making the attack surface significantly larger than traditional local vulnerabilities.
The recommended mitigation strategy involves immediate deployment of the patched versions specified by QNAP including QTS 5.1.4.2596 build 20231128 and later, QuTS hero h5.1.4.2596 build 20231128 and later, and QuTScloud c5.1.5.2651 and later. Organizations should also implement additional security controls such as network segmentation to limit access to storage systems, regular security assessments of administrative accounts, and monitoring for unusual command execution patterns. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing principle of least privilege for administrative accounts. Security teams should also consider implementing network detection capabilities to identify potential exploitation attempts and establish incident response procedures specifically for storage system compromises. The ATT&CK framework categorizes this vulnerability under techniques such as command and scripting interpreter and execution through legitimate process, highlighting the need for comprehensive endpoint detection and response capabilities.