CVE-2007-3400 in NCTAudioStudio
Summary
by MITRE
The NCTAudioEditor2 ActiveX control in NCTWMAFile2.dll 2.6.2.157, as distributed in NCTAudioEditor and NCTAudioStudio 2.7, allows remote attackers to overwrite arbitrary files via the CreateFile method.
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Analysis
by VulDB Data Team • 09/22/2024
The vulnerability identified as CVE-2007-3400 resides within the NCTAudioEditor2 ActiveX control, specifically in the NCTWMAFile2.dll component version 2.6.2.157. This ActiveX control is distributed as part of the NCTAudioEditor and NCTAudioStudio 2.7 software suite, making it a potential attack vector in web-based environments where ActiveX controls are enabled. The flaw manifests in the CreateFile method which lacks proper input validation and access control mechanisms, allowing malicious actors to exploit this weakness remotely.
The technical implementation of this vulnerability stems from inadequate parameter validation within the CreateFile method of the ActiveX control. When a remote attacker crafts malicious input parameters and invokes this method, the control fails to properly sanitize or validate the file path specifications provided. This absence of proper validation creates an opportunity for path traversal attacks, where attackers can manipulate the file system by specifying arbitrary file paths that bypass normal access controls. The vulnerability directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw essentially allows an attacker to write to any location on the target system where the application has write permissions, potentially leading to arbitrary file overwrites.
The operational impact of this vulnerability extends beyond simple file corruption or modification. Remote attackers can leverage this weakness to overwrite critical system files, install malicious software, or manipulate application data in ways that compromise system integrity and availability. The attack surface is particularly concerning in environments where ActiveX controls are enabled by default, such as corporate networks or legacy systems that have not been properly secured. This vulnerability aligns with ATT&CK technique T1195.002, which describes the exploitation of ActiveX controls for privilege escalation or persistence mechanisms, as attackers can use this control to modify system files or create backdoors. Additionally, the vulnerability could facilitate further attacks by enabling attackers to replace legitimate executable files with malicious variants, potentially leading to complete system compromise.
Mitigation strategies for CVE-2007-3400 should focus on immediate remediation through software updates from the vendor, as well as network-level protections. Organizations should disable ActiveX controls in web browsers when they are not explicitly required for business operations, particularly in environments where the controls are not properly managed or monitored. Implementing proper input validation and access controls within applications that utilize ActiveX components is essential, as is maintaining up-to-date security patches for all software components. The vulnerability also highlights the importance of Principle of Least Privilege in system design, where applications should be configured to run with minimal necessary permissions to reduce the impact of such exploits. Network segmentation and monitoring solutions should be employed to detect unusual file system modifications that could indicate exploitation attempts. Security awareness training for system administrators regarding the risks associated with ActiveX controls and legacy software components is also recommended to prevent unauthorized installations and reduce the overall attack surface.