CVE-2004-2504 in MDaemon
Summary
by MITRE
The GUI in Alt-N Technologies MDaemon 7.2 and earlier, including 6.8, executes child processes such as NOTEPAD.EXE with SYSTEM privileges when users create new files, which allows local users with physical access to gain privileges.
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Analysis
by VulDB Data Team • 06/30/2019
The vulnerability identified as CVE-2004-2504 affects Alt-N Technologies MDaemon email server software versions 7.2 and earlier, including version 6.8, specifically within the graphical user interface component. This flaw represents a critical privilege escalation vulnerability that arises from improper privilege handling during process execution within the MDaemon GUI environment. The vulnerability stems from the software's design where the graphical interface executes child processes with elevated SYSTEM privileges, creating a significant security risk when local users have physical access to the system. This design flaw directly violates the principle of least privilege, which is a fundamental security principle outlined in various security frameworks and standards including those referenced in the CWE database under CWE-279.
The technical implementation of this vulnerability occurs when users create new files through the MDaemon GUI interface, which triggers the execution of child processes such as NOTEPAD.EXE with SYSTEM level privileges. This privilege escalation mechanism operates through the graphical interface's process spawning functionality, where the system does not properly sanitize or restrict the execution context of these child processes. The vulnerability essentially allows any local user with physical access to the machine to execute arbitrary commands with the highest system privileges, effectively bypassing all normal access controls and security boundaries that would typically protect the system from unauthorized administrative access. This issue is particularly dangerous because it requires minimal attack surface and can be exploited by anyone with physical access to the compromised system.
The operational impact of CVE-2004-2504 is severe and far-reaching, as it fundamentally undermines the security model of the MDaemon email server by providing local privilege escalation capabilities to any user with physical access. Attackers can leverage this vulnerability to execute malicious code, modify system files, install backdoors, or completely compromise the system without requiring network access or authentication credentials. The vulnerability is particularly concerning in enterprise environments where physical security controls may be inadequate, as it allows attackers to gain complete administrative control over email servers that often contain sensitive corporate data. This type of vulnerability is classified under the ATT&CK framework as privilege escalation through process injection or execution with elevated privileges, which is a common technique used by attackers to establish persistent access and move laterally within compromised networks.
The security implications extend beyond simple privilege escalation to encompass complete system compromise, as the SYSTEM level privileges obtained through this vulnerability provide attackers with unrestricted access to all system resources, including the ability to modify or delete critical system files, install malicious software, and potentially access or exfiltrate sensitive data stored on the email server. Organizations using affected MDaemon versions face significant risk of data breaches, system infiltration, and potential compliance violations, particularly in regulated environments where proper access controls and privilege management are mandatory. The vulnerability also demonstrates poor secure coding practices that should be addressed through comprehensive security reviews and adherence to security standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks. The recommended mitigations include immediate patching of the affected MDaemon versions to the latest releases, implementation of strict physical access controls, and comprehensive security audits of all system components to identify similar privilege escalation vulnerabilities. Additionally, organizations should consider implementing network segmentation and monitoring to detect unauthorized access attempts and ensure that only authorized personnel have physical access to critical systems.