CVE-2024-25376 in TUSBAudio
Summary
by MITRE • 04/12/2024
An issue discovered in Thesycon Software Solutions Gmbh & Co. KG TUSBAudio MSI-based installers before 5.68.0 allows a local attacker to execute arbitrary code via the msiexec.exe repair mode.
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Analysis
by VulDB Data Team • 06/09/2025
The vulnerability identified as CVE-2024-25376 represents a critical privilege escalation flaw within the TUSBAudio MSI-based installers developed by Thesycon Software Solutions Gmbh & Co. KG. This security weakness exists in versions prior to 5.68.0 and specifically targets the installer's repair functionality, which is typically invoked through the msiexec.exe executable. The flaw enables local attackers to execute arbitrary code with elevated privileges, potentially compromising the entire system. The vulnerability stems from inadequate input validation and privilege handling within the installer's repair mechanism, creating an attack vector that can be exploited by malicious actors with local system access.
The technical implementation of this vulnerability involves the manipulation of the msiexec.exe repair mode functionality, which is designed to fix or reinstall components of the installed software. When the installer operates in repair mode, it processes certain parameters and configuration files without proper sanitization of user-supplied inputs. This allows an attacker to craft malicious inputs that bypass normal security checks and execute code with the privileges of the installer process. The flaw operates under the principle of insufficient validation of untrusted data, which is classified as CWE-20 by the CWE standard, and specifically relates to the improper handling of repair operations in Windows Installer components. The vulnerability demonstrates a classic path traversal and code execution pattern where attacker-controlled data influences the execution flow of the installer.
The operational impact of CVE-2024-25376 extends beyond simple code execution, as it provides a pathway for attackers to escalate privileges and gain deeper system access. Local attackers who can interact with the system can leverage this vulnerability to install malicious software, modify system configurations, or establish persistent backdoors. The repair mode functionality is typically designed to be accessible to system administrators and users with appropriate permissions, but the vulnerability allows any local user to exploit this functionality without proper authorization. This creates a significant risk for enterprise environments where multiple users share systems, as the attacker can potentially compromise the entire system and maintain persistence. The vulnerability aligns with ATT&CK technique T1068 which covers "Local Privilege Escalation" and specifically targets the use of installer utilities for privilege escalation.
Mitigation strategies for CVE-2024-25376 should focus on immediate remediation through the installation of TUSBAudio version 5.68.0 or later, which contains the necessary patches to address the vulnerability. System administrators should also implement additional security measures such as restricting access to the msiexec.exe executable and monitoring for unusual repair operations. The principle of least privilege should be enforced by limiting user permissions and ensuring that only authorized personnel can perform system-level operations. Organizations should also conduct vulnerability assessments to identify systems running vulnerable versions of the software and apply patches promptly. Additionally, implementing application whitelisting policies and monitoring for suspicious installer activities can provide additional layers of defense. The vulnerability highlights the importance of proper input validation and privilege management in installer components, aligning with security best practices outlined in NIST SP 800-171 and other cybersecurity frameworks that emphasize the need for secure software development practices and regular vulnerability management procedures.