CVE-2024-55411 in Multi IO Card
Summary
by MITRE • 01/07/2025
An issue in the snxpcamd.sys component of SUNIX Multi I/O Card v10.1.0.0 allows attackers to perform arbitrary read and write actions via supplying crafted IOCTL requests.
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Analysis
by VulDB Data Team • 06/22/2025
The vulnerability identified as CVE-2024-55411 resides within the snxpcamd.sys kernel driver component of SUNIX Multi I/O Card version 10.1.0.0, representing a critical security flaw that enables attackers to execute arbitrary read and write operations through carefully crafted IOCTL (Input/Output Control) requests. This driver serves as a foundational element for hardware communication within the system, making it a prime target for privilege escalation attacks that could compromise the entire operating environment. The flaw manifests due to insufficient validation of IOCTL parameters, creating an attack surface where malicious inputs can bypass normal security controls and directly manipulate kernel memory.
The technical implementation of this vulnerability stems from improper input validation within the driver's IOCTL handling mechanism, specifically within the snxpcamd.sys module. According to CWE-129, this represents an inadequate input validation issue that allows attackers to manipulate memory access patterns through malformed IOCTL commands. The vulnerability operates at the kernel level, where legitimate IOCTL requests are processed without proper bounds checking or parameter sanitization, enabling attackers to construct malicious requests that can read arbitrary memory locations or write data to protected kernel memory regions. This creates a direct pathway for privilege escalation attacks that can potentially lead to full system compromise.
The operational impact of CVE-2024-55411 extends beyond simple data manipulation, as it provides attackers with the capability to perform deep system infiltration and persistence establishment. Through this vulnerability, an attacker could potentially read sensitive kernel memory, modify system-critical data structures, or even inject malicious code into the kernel space. The attack vector operates through standard Windows driver interfaces, making it particularly dangerous as it can be exploited through various attack surfaces including USB devices, network connections, or local system interfaces that interact with the affected hardware. This vulnerability aligns with ATT&CK technique T1068 which describes local privilege escalation through kernel exploits, and T1547.001 which covers registry run keys and startup folder manipulation, as attackers could establish persistence through kernel-level modifications.
Mitigation strategies for CVE-2024-55411 should prioritize immediate vendor patching, as SUNIX has likely released updated driver versions addressing the IOCTL validation gaps. System administrators should implement strict driver signing policies and disable unnecessary hardware interfaces that could expose the vulnerable driver to attack. The principle of least privilege should be enforced through kernel driver access controls, and monitoring systems should be deployed to detect anomalous IOCTL activity patterns. Additionally, network segmentation and endpoint detection and response solutions should be configured to identify potential exploitation attempts, as the vulnerability could be leveraged through various attack vectors including USB devices, network shares, or remote desktop connections. Organizations should also conduct comprehensive vulnerability assessments of their SUNIX Multi I/O Card installations to identify and isolate affected systems before applying patches to prevent potential exploitation during the update process.