CVE-2024-9498 in USBXpress SDK
Summary
by MITRE • 01/24/2025
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress SDK
installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
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Analysis
by VulDB Data Team • 01/24/2025
The vulnerability identified as CVE-2024-9498 represents a critical DLL hijacking flaw within the USBXpress SDK installer component. This issue stems from an uncontrolled search path implementation that allows malicious actors to manipulate the software installation process. The vulnerability specifically affects systems where the USBXpress SDK installer executes with elevated privileges, creating a pathway for privilege escalation attacks. When the installer runs, it searches for dynamic link library files in a predictable order that can be manipulated by attackers to load malicious code instead of legitimate system libraries.
The technical exploitation of this vulnerability leverages the principle of DLL search order hijacking, a well-documented weakness that has been categorized under CWE-427 and CWE-428 within the Common Weakness Enumeration framework. The installer's failure to properly control the library search path means that it will first look in the current working directory before examining system directories, allowing an attacker to place a malicious DLL file in the same directory as the installer. This behavior aligns with ATT&CK technique T1068 which describes privilege escalation through DLL side-loading attacks. The vulnerability is particularly concerning because it operates at installation time when the system typically runs with elevated privileges, making successful exploitation equivalent to gaining system-level access.
The operational impact of this vulnerability extends beyond simple code execution to encompass complete system compromise. An attacker who successfully exploits this vulnerability can achieve privilege escalation from standard user to administrator level, enabling them to install persistent backdoors, modify system files, and access sensitive data. The attack vector is particularly dangerous because it occurs during legitimate software installation processes, making it difficult for users and security systems to distinguish between benign and malicious activity. This vulnerability affects organizations that deploy USBXpress SDK components, potentially compromising entire networks if attackers can manipulate the installation environment or target systems with weak security controls.
Mitigation strategies for CVE-2024-9498 require immediate action from system administrators and security teams. The primary recommendation involves updating to the latest version of the USBXpress SDK that addresses this specific search path issue. Organizations should implement strict access controls to prevent unauthorized users from placing files in directories where installation processes execute. Network segmentation and application whitelisting can help prevent attackers from placing malicious DLL files in the search path. Security teams should also monitor installation processes for suspicious activity and implement endpoint detection and response solutions that can identify DLL loading anomalies. Additionally, the principle of least privilege should be enforced by ensuring that installation processes run with minimal required permissions rather than elevated privileges. Regular security assessments and vulnerability scanning should include checks for similar uncontrolled search path issues in other software components to prevent similar vulnerabilities from being overlooked. The remediation process must also consider the broader software supply chain implications, as this type of vulnerability can be exploited across multiple applications that share similar installation patterns and library loading behaviors.