CVE-2024-9491 in Configuration Wizard 2
Summary
by MITRE • 01/24/2025
DLL hijacking vulnerabilities, caused by an uncontrolled search path in Configuration Wizard 2 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-2024-9491 represents a critical DLL hijacking flaw within the Configuration Wizard 2 installer component that fundamentally compromises system security through improper dynamic link library resolution mechanisms. This issue stems from an uncontrolled search path implementation that allows attackers to manipulate the loading sequence of dynamic libraries, creating opportunities for malicious code injection and elevated privilege execution. The vulnerability specifically affects the installer's ability to properly resolve library dependencies, enabling adversaries to place malicious DLL files in strategic locations where the installer will load them instead of legitimate system libraries. This flaw operates under the broader category of CWE-426 Untrusted Search Path, which directly aligns with the software security principle that applications should not trust search paths that include directories writable by unprivileged users or that are not properly validated.
The technical implementation of this vulnerability exploits the Windows dynamic linking process where the system searches for required DLL files in a specific order that includes the current working directory before system directories. When the Configuration Wizard 2 installer executes, it may load a malicious DLL from a location within the search path that is controlled by an attacker, particularly if the installer is executed in a directory containing malicious libraries or if the system path is manipulated to prioritize attacker-controlled locations. This behavior enables privilege escalation scenarios where the malicious DLL executes with the privileges of the installer process, potentially elevating from standard user to administrator level depending on how the installer is invoked. The vulnerability is particularly dangerous because it can be triggered during routine system administration tasks when users run the installer, making exploitation both frequent and difficult to detect.
The operational impact of CVE-2024-9491 extends beyond simple code execution to encompass full system compromise through privilege escalation pathways that align with the MITRE ATT&CK framework's privilege escalation techniques. Attackers can leverage this vulnerability to establish persistent access, deploy additional malware, or escalate privileges to gain administrative control over affected systems. The installer-based attack vector is particularly concerning because it can be triggered without user interaction beyond executing the installer, and since installers often run with elevated privileges, the attack surface for privilege escalation becomes significantly expanded. This vulnerability affects organizations where the Configuration Wizard 2 is commonly deployed, potentially exposing enterprise networks to lateral movement and persistent threats that can remain undetected for extended periods.
Mitigation strategies for CVE-2024-9491 should focus on both immediate remediation and long-term architectural improvements to prevent similar issues in the future. Organizations should immediately apply vendor patches when available and implement strict directory permissions to prevent unprivileged users from writing DLL files in locations that might be included in the search path. The recommended approach includes implementing secure coding practices that enforce absolute paths for library loading, using Windows AppLocker or similar application control mechanisms to restrict which DLLs can be loaded, and conducting regular security audits of installer components to identify potential search path vulnerabilities. Additionally, system administrators should monitor for suspicious installer execution patterns and implement network-based detection measures to identify potential exploitation attempts. The vulnerability demonstrates the critical importance of following secure coding guidelines and the principle of least privilege in application design to prevent attackers from exploiting predictable search path behaviors that have been well-documented security weaknesses for decades.