CVE-2018-0709 in Q'center Virtual Appliance
Summary
by MITRE
Command injection vulnerability in date of QNAP Q'center Virtual Appliance version 1.7.1063 and earlier could allow authenticated users to run arbitrary commands.
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Analysis
by VulDB Data Team • 09/13/2024
The CVE-2018-0709 vulnerability represents a critical command injection flaw within the QNAP Q'center Virtual Appliance platform, specifically affecting versions 1.7.1063 and earlier. This vulnerability resides in the appliance's handling of date parameters, where authenticated users can exploit a design flaw to execute arbitrary commands on the underlying system. The vulnerability stems from insufficient input validation and sanitization mechanisms within the date parameter processing logic, allowing maliciously crafted date inputs to bypass security controls and directly influence system command execution.
The technical implementation of this vulnerability leverages the fact that the Q'center Virtual Appliance does not properly sanitize date inputs before passing them to system commands or shell interpreters. When an authenticated user submits a crafted date parameter, the system processes this input without adequate filtering, potentially concatenating user-supplied data directly into command strings. This creates an environment where attackers can inject malicious shell commands that execute with the privileges of the affected service account, typically running with elevated system permissions. The vulnerability operates at the application layer and can be exploited through web-based interfaces or API endpoints that handle date-related functionality, making it particularly dangerous as it requires minimal privileges for exploitation.
The operational impact of CVE-2018-0709 extends beyond simple command execution, as it can lead to complete system compromise and unauthorized access to sensitive data. An attacker who successfully exploits this vulnerability can potentially escalate privileges, install backdoors, exfiltrate data, or use the compromised system as a pivot point for further attacks within the network. The vulnerability affects organizations using QNAP Q'center Virtual Appliance deployments, which are commonly used for virtualization management and storage solutions in enterprise environments. This makes the impact particularly severe as organizations may rely on these appliances for critical infrastructure management, potentially exposing entire virtualized environments to unauthorized access.
Security mitigations for this vulnerability should include immediate patching of affected QNAP Q'center Virtual Appliance versions to the latest releases that contain proper input validation and sanitization controls. Organizations should implement network segmentation to limit access to the appliance to authorized personnel only, while also enforcing strict access controls and monitoring for suspicious command execution patterns. The vulnerability aligns with CWE-77 and CWE-94 categories, representing command injection and code injection flaws respectively, which are commonly exploited in enterprise environments. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1059.001 (Command and Scripting Interpreter: PowerShell) and T1068 (Exploitation for Privilege Escalation) as attackers can leverage the command injection to execute malicious payloads and escalate their privileges within the compromised system.