CVE-2008-0790 in WinIPDS
Summary
by MITRE
Directory traversal vulnerability in ipdsserver.exe in Intermate WinIPDS 3.3 G52-33-021 allows remote attackers to read arbitrary files via a .. (dot dot) in the URI.
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Analysis
by VulDB Data Team • 09/16/2018
The vulnerability identified as CVE-2008-0790 represents a critical directory traversal flaw within the ipdsserver.exe component of Intermate WinIPDS version 3.3 G52-33-021. This weakness resides in the web server implementation that processes Uniform Resource Identifiers, allowing malicious actors to manipulate file access requests through specially crafted URI parameters containing dot-dot sequences. The vulnerability specifically affects the file serving capabilities of the WinIPDS application, which is designed for document management and printing services in enterprise environments. The flaw enables attackers to bypass normal file access controls and retrieve sensitive files from the underlying operating system that should otherwise remain protected from remote access.
The technical mechanism underlying this vulnerability operates through improper input validation within the URI parsing logic of the ipdsserver.exe process. When a client submits a request containing directory traversal sequences such as .. or ../, the server fails to adequately sanitize or normalize the path before attempting to access the requested file. This allows the attacker to navigate beyond the intended document root directory and access files in parent directories or even system-level files. The vulnerability is classified under CWE-22 as "Improper Limiting of a Pathname to a Restricted Directory ('Path Traversal')" which is a well-documented weakness affecting numerous web applications and servers. The attack vector is particularly dangerous because it requires no authentication and can be executed remotely, making it an attractive target for reconnaissance and data exfiltration activities.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it can potentially expose sensitive system information, configuration files, and user data. Attackers could leverage this weakness to access database connection strings, application configuration files, user credentials stored in plain text, or system logs that might contain additional attack vectors. The vulnerability affects organizations using Intermate WinIPDS in production environments where the web server component is exposed to untrusted networks, creating potential for data breaches, system compromise, and regulatory compliance violations. According to ATT&CK framework, this vulnerability maps to T1083 (File and Directory Discovery) and T1566 (Phishing) as attackers might use the exposed information to craft more sophisticated social engineering attacks or to identify other vulnerable systems within the network.
Organizations affected by this vulnerability should implement immediate mitigations including patching the application to the latest version from Intermate, implementing network segmentation to restrict access to the affected server, and deploying web application firewalls to filter malicious URI patterns. The most effective long-term solution involves proper input validation and sanitization of all user-supplied data, particularly in URI and file path parameters. Security teams should also conduct comprehensive vulnerability assessments to identify similar weaknesses in other applications and implement automated monitoring for directory traversal attempts. Additionally, organizations should review their file access controls and ensure that the principle of least privilege is applied to all server components, particularly those handling user input. The vulnerability demonstrates the critical importance of validating and sanitizing all input data in web applications, as highlighted by industry standards such as OWASP Top Ten and NIST cybersecurity guidelines.