CVE-2008-0812 in Net Banpro Dms
Summary
by MITRE
Directory traversal vulnerability in DMS/index.php in BanPro DMS 1.0 allows remote attackers to include and execute arbitrary files via a .. (dot dot) in the action parameter.
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Analysis
by VulDB Data Team • 03/25/2025
The vulnerability identified as CVE-2008-0812 represents a critical directory traversal flaw within the BanPro DMS 1.0 web application, specifically affecting the DMS/index.php file. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly restrict user-supplied data from being processed within the application's file inclusion logic. The flaw manifests when the action parameter contains directory traversal sequences such as .. (dot dot), which allows malicious actors to manipulate the application's file handling behavior and gain unauthorized access to the underlying file system.
The technical exploitation of this vulnerability occurs through the manipulation of the action parameter in the DMS/index.php script, where the application fails to validate or sanitize user input before using it in file inclusion operations. When a remote attacker submits a request containing directory traversal sequences in the action parameter, the application processes these sequences without proper validation, enabling the attacker to navigate to arbitrary directories on the server. This 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 vulnerability's classification aligns with ATT&CK technique T1059.007, which covers command and scripting interpreter for execution of code through the exploitation of file inclusion mechanisms.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with the capability to execute arbitrary code on the affected server. Successful exploitation can lead to complete system compromise, data theft, and unauthorized access to sensitive information stored within the application's directory structure. Attackers can leverage this vulnerability to access configuration files, database credentials, user data, and potentially gain shell access to the underlying operating system. The vulnerability affects the confidentiality, integrity, and availability of the web application and the entire server infrastructure it resides on, making it a critical security concern for any organization using the affected software.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and sanitization mechanisms that prevent directory traversal sequences from being processed within the application. Organizations should immediately apply the vendor-provided patches or upgrade to newer versions of the BanPro DMS software that address this issue. Additional protective measures include implementing proper access controls, restricting file inclusion operations to predefined safe directories, and employing web application firewalls that can detect and block malicious directory traversal attempts. Security configurations should also enforce proper input validation at multiple layers including application-level sanitization, server-level restrictions, and network-level monitoring to prevent exploitation attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the application stack and to ensure comprehensive protection against path traversal attacks.