CVE-2002-1004 in Mail Server
Summary
by MITRE
Directory traversal vulnerability in webmail feature of ArGoSoft Mail Server Plus or Pro 1.8.1.5 and earlier allows remote attackers to read arbitrary files via .. (dot dot) sequences in a URL.
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Analysis
by VulDB Data Team • 05/27/2025
The CVE-2002-1004 vulnerability represents a classic directory traversal flaw that affected the ArGoSoft Mail Server Plus and Pro versions 1.8.1.5 and earlier. This vulnerability specifically targeted the webmail functionality of the mail server software, creating a critical security risk that could be exploited by remote attackers without authentication. The flaw enabled malicious actors to access files outside the intended web root directory by manipulating URL parameters with directory traversal sequences.
The technical implementation of this vulnerability stems from inadequate input validation within the webmail component of the ArGoSoft Mail Server software. When users accessed webmail features through URLs containing .. (dot dot) sequences, the application failed to properly sanitize or validate the input paths. This allowed attackers to navigate upward through the directory structure and access sensitive files that should have been restricted to authorized users only. 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 operational impact of this vulnerability was significant for organizations relying on ArGoSoft Mail Server versions prior to the affected release. Attackers could potentially access configuration files, user credentials, email contents, and other sensitive data stored on the server. The remote nature of the exploit meant that attackers did not require physical access to the system or local network privileges to carry out successful attacks. This vulnerability essentially provided unauthorized access to the file system, potentially exposing confidential information and enabling further attacks on the compromised system.
The security implications extend beyond simple file access, as this vulnerability could facilitate privilege escalation and information disclosure attacks. Organizations using affected versions faced risks of data breaches, compliance violations, and potential system compromise. The vulnerability's classification under the ATT&CK framework would fall under T1083 - File and Directory Discovery, as attackers could systematically enumerate and access files across the system. Additionally, the vulnerability could be leveraged as a stepping stone for more sophisticated attacks, including credential theft and lateral movement within network environments.
Mitigation strategies for CVE-2002-1004 primarily focused on patching the affected software versions. Organizations should have upgraded to later versions of ArGoSoft Mail Server that addressed the directory traversal flaw through proper input validation and path sanitization. Implementing web application firewalls and input validation rules could provide temporary protection while awaiting official patches. System administrators should have reviewed and restricted file permissions for webmail directories, ensuring that sensitive files were not accessible through the web interface. Additionally, monitoring network traffic for suspicious URL patterns containing directory traversal sequences would have helped detect exploitation attempts. The vulnerability serves as a historical example of how inadequate input validation can create severe security risks, emphasizing the importance of secure coding practices and regular security updates in preventing such attacks.