CVE-2001-0009 in Lotus Domino
Summary
by MITRE
Directory traversal vulnerability in Lotus Domino 5.0.5 web server allows remote attackers to read arbitrary files via a .. attack.
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Analysis
by VulDB Data Team • 12/23/2024
The vulnerability identified as CVE-2001-0009 represents a critical directory traversal flaw within the Lotus Domino 5.0.5 web server implementation. This security weakness stems from inadequate input validation mechanisms that fail to properly sanitize user-supplied data containing directory path references. The vulnerability specifically affects the web server component of IBM Lotus Domino, a widely deployed enterprise collaboration platform that serves as a foundation for email, calendaring, and web application services in corporate environments. The flaw allows malicious actors to exploit the absence of proper path normalization checks, enabling them to navigate beyond the intended directory structure and access files that should remain restricted.
The technical exploitation of this vulnerability occurs through the manipulation of directory path references using the double dot notation .. which is commonly recognized as a method for traversing parent directories in file systems. When a user submits a request containing .. sequences in the URL path or parameters, the web server fails to properly validate or sanitize these inputs before processing file access requests. This allows attackers to construct malicious paths that can traverse directories and access sensitive files such as configuration files, password databases, or system binaries that are typically protected from direct web access. The vulnerability essentially bypasses the intended file access controls and allows unauthorized file system enumeration and data retrieval.
The operational impact of this directory traversal vulnerability extends beyond simple information disclosure, as it can potentially lead to complete system compromise when combined with other attack vectors. Attackers can leverage this weakness to access critical system files including server configuration details, user authentication data, and application source code that may contain sensitive information or implementation flaws. The vulnerability particularly affects enterprise environments where Lotus Domino servers often host sensitive corporate data and where the web server component is exposed to untrusted network traffic. Organizations using this version of Domino may face significant risk of data breaches, intellectual property theft, and potential lateral movement within their network infrastructure as attackers can systematically enumerate and access files across the server's file system.
Security practitioners should note that this vulnerability aligns with CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The weakness demonstrates poor input validation practices and inadequate access control enforcement within the web server component. From an adversarial perspective, this vulnerability maps to multiple ATT&CK techniques including T1083 for discovery of file and directory permissions, T1566 for credential access through exploitation of web applications, and potentially T1059 for command execution if combined with other vulnerabilities. The attack surface is particularly concerning for organizations that have not implemented proper network segmentation or web application firewalls to monitor and filter malicious path traversal attempts.
Mitigation strategies for this vulnerability should focus on immediate patching of the Lotus Domino 5.0.5 web server component to the latest available security updates from IBM. Organizations should also implement network-level controls including web application firewalls and intrusion detection systems that can identify and block suspicious path traversal patterns in HTTP requests. Input validation mechanisms should be strengthened at the application level to normalize and sanitize all user-supplied paths before processing file access requests. Additionally, system administrators should conduct comprehensive file system audits to identify and restrict access to sensitive files, implement proper access controls, and ensure that the web server runs with minimal privileges to limit the potential impact of successful exploitation attempts. Network segmentation should be enforced to limit direct exposure of Domino web servers to untrusted networks while maintaining proper monitoring and logging of all file access activities for security analysis purposes.