CVE-2004-2359 in Truemobile 1300 Wlan Mini-pci Card Util Trayapplet
Summary
by MITRE
Dell TrueMobile 1300 WLAN Mini-PCI Card Util TrayApplet 3.10.39.0 does not properly drop SYSTEM privileges when started from the systray applet, which allows local users to gain privileges by accessing the Help functionality.
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Analysis
by VulDB Data Team • 08/17/2025
The vulnerability identified as CVE-2004-2359 affects Dell TrueMobile 1300 WLAN Mini-PCI Card software component known as TrayApplet version 3.10.39.0. This issue represents a classic privilege escalation flaw that occurs within the Windows operating system environment where applications are expected to properly manage their security context. The vulnerability specifically manifests when the TrayApplet is executed from the system tray, indicating a design flaw in how the application handles privilege management during its startup process.
The technical flaw lies in the improper privilege dropping mechanism within the TrayApplet application. When the application is launched from the system tray, it fails to correctly downgrade its security privileges from SYSTEM level to a lower privilege level. This behavior creates a persistent security risk where the application maintains elevated privileges unnecessarily, violating fundamental security principles of least privilege. The vulnerability becomes exploitable when local users access the Help functionality of the application, which provides a code execution pathway that leverages the elevated privileges.
This vulnerability has significant operational impact within enterprise environments where Dell TrueMobile 1300 WLAN cards are deployed. The privilege escalation allows local attackers to execute arbitrary code with SYSTEM-level privileges, potentially enabling complete system compromise. The attack vector is particularly concerning because it requires minimal user interaction beyond accessing the Help menu, making it easily exploitable in environments where users have access to the system tray interface. From an attacker's perspective, this vulnerability aligns with ATT&CK technique T1068 for privilege escalation and T1547 for application execution through system services.
The root cause of this vulnerability can be categorized under CWE-276, which describes improper privilege management in software applications. The flaw demonstrates poor security design where the application does not properly implement privilege separation between its user interface components and its underlying system functions. This issue also relates to CWE-787, indicating potential buffer overflow or memory corruption vulnerabilities that could arise from improper privilege handling, and CWE-255, which addresses issues with credential management and privilege validation.
Organizations should implement immediate mitigations including patching the affected TrayApplet version to properly implement privilege dropping mechanisms. The recommended approach involves ensuring that applications running from the system tray properly downgrade their privileges upon startup, maintaining only the minimum necessary privileges for their intended functionality. Security administrators should also consider implementing application whitelisting policies to prevent unauthorized execution of vulnerable applications. Additionally, regular security assessments should verify that applications properly handle privilege contexts, particularly those with elevated permissions. The vulnerability underscores the importance of following security best practices such as those outlined in the OWASP Application Security Verification Standard and NIST SP 800-53 control families related to privilege management and access control.
This vulnerability demonstrates the critical importance of privilege management in system security and the potential consequences when applications fail to properly implement security controls. The issue affects legacy systems and highlights the ongoing need for security updates and proper software lifecycle management practices. Organizations should maintain comprehensive inventory of all installed software components and regularly review security patches to prevent exploitation of similar privilege escalation vulnerabilities in their environments.