CVE-2024-9499 in USBXpress Win 98SE Dev Kit
Summary
by MITRE • 01/24/2025
DLL hijacking vulnerabilities, caused by an uncontrolled search path in the USBXpress Win 98SE Dev Kit installer can lead to privilege escalation and arbitrary code execution when running the impacted installer.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 01/24/2025
The vulnerability identified as CVE-2024-9499 represents a critical DLL hijacking flaw within the USBXpress Win 98SE Dev Kit installer component. This vulnerability stems from improper handling of dynamic link library search paths during the installation process, creating a dangerous condition where malicious actors can manipulate the execution flow of legitimate system components. The flaw specifically affects the installer's ability to properly resolve library dependencies, allowing attackers to place malicious DLL files in strategic locations that the installer will load before the intended legitimate libraries.
The technical exploitation of this vulnerability occurs through path traversal and search order manipulation techniques that have been classified under CWE-427 and CWE-428 within the Common Weakness Enumeration framework. When the installer executes, it follows a predictable search path that includes current working directory and user-writable locations, enabling attackers to place malicious DLLs that will be loaded in place of legitimate system libraries. This creates a privilege escalation vector since the installer typically runs with elevated privileges, allowing the malicious code to execute with the same elevated permissions as the installer process. The ATT&CK framework categorizes this as a technique involving 'Abuse Elevation Control Mechanism' under the privilege escalation domain, specifically leveraging 'DLL Side-Loading' tactics.
The operational impact of this vulnerability extends beyond simple code execution to encompass potential system compromise and persistent access. Attackers can leverage this flaw to execute arbitrary code with system-level privileges, potentially leading to complete system takeover. The vulnerability affects systems where the USBXpress Win 98SE Dev Kit installer has been executed, particularly in enterprise environments where legacy development tools may still be present. The attack surface is significant as many organizations maintain older development environments and may not have updated their installer components, creating persistent exposure windows. Additionally, the vulnerability's exploitation does not require user interaction beyond running the installer, making it particularly dangerous in automated or unattended deployment scenarios.
Mitigation strategies for CVE-2024-9499 should focus on both immediate remediation and long-term architectural improvements. Immediate actions include updating to the latest version of the USBXpress Win 98SE Dev Kit installer from the vendor, which should address the improper search path handling. Organizations should also implement strict file system permissions and audit the presence of legacy development tools in their environments. The principle of least privilege should be enforced by ensuring that installers run with minimal required permissions, and the use of application whitelisting solutions can prevent unauthorized DLL loading. Additionally, security teams should conduct comprehensive audits of system search paths and implement proper DLL loading practices that prioritize system directories over user-writable locations. The vulnerability underscores the importance of secure coding practices and proper library resolution mechanisms, particularly in legacy software components that may not have been designed with modern security considerations in mind.