CVE-2006-1484 in VideoCAM NB Driver
Summary
by MITRE
Genius VideoCAM NB Driver does not drop privileges when saving files, which allows local users to gain privileges by opening arbitrary files via the "save as" dialog.
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Analysis
by VulDB Data Team • 09/05/2017
The CVE-2006-1484 vulnerability resides within the Genius VideoCAM NB driver software, a device driver designed to manage webcam functionality on notebook computers. This flaw represents a classic privilege escalation vulnerability that exploits the driver's improper handling of file operations during save processes. The vulnerability specifically manifests when the driver fails to properly drop elevated privileges during file save operations, creating an exploitable condition that allows local attackers to manipulate the system's privilege levels.
The technical root cause of this vulnerability stems from the driver's failure to implement proper privilege separation mechanisms when executing file save operations through the graphical user interface. When users interact with the "save as" dialog, the driver maintains elevated privileges that should be dropped upon file creation, but instead retains them, allowing malicious file operations to be executed with higher privileges than intended. This behavior creates a path for privilege escalation where local users can leverage the driver's elevated status to gain system-level access. The vulnerability is classified under CWE-269, which addresses privilege escalation through improper privilege management, and aligns with ATT&CK technique T1068, which covers privilege escalation through local exploitation.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it provides attackers with the ability to manipulate system files and potentially execute arbitrary code with elevated permissions. Local users who can access the save dialog functionality can exploit this weakness to modify critical system files, install malicious software, or establish persistent access to the compromised system. The vulnerability is particularly concerning because it requires minimal user interaction beyond opening the save dialog, making it relatively easy to exploit in targeted attacks. Attackers could potentially use this vulnerability to modify driver files, create backdoors, or manipulate system configurations that would otherwise require administrative privileges.
Mitigation strategies for CVE-2006-1484 should focus on both immediate remediation and long-term security improvements. The most effective immediate solution involves updating to the latest driver version from Genius or the hardware manufacturer, as this addresses the core privilege handling flaw. System administrators should also implement proper access controls and monitor for unauthorized file modifications in system directories. The vulnerability demonstrates the importance of privilege separation principles and proper security coding practices, particularly in device drivers where elevated privileges are frequently required for hardware interaction. Organizations should consider implementing application whitelisting solutions and monitoring for suspicious file creation activities in system directories to detect potential exploitation attempts. Additionally, regular security assessments of device drivers and firmware components should be conducted to identify similar privilege escalation vulnerabilities that may exist in other system components.