CVE-2006-0949 in RaidenHTTPD
Summary
by MITRE
RaidenHTTPD 1.1.47 allows remote attackers to obtain source code of script files, including PHP, via crafted requests involving (1) "." (dot), (2) space, and (3) "/" (slash) characters.
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Analysis
by VulDB Data Team • 06/15/2019
The vulnerability identified as CVE-2006-0949 affects RaidenHTTPD version 1.1.47, representing a critical directory traversal flaw that enables remote attackers to access sensitive script source code files. This vulnerability stems from inadequate input validation within the web server's file handling mechanisms, specifically when processing crafted HTTP requests containing specific character sequences. The flaw manifests when attackers construct malicious requests using combinations of dot characters, spaces, and forward slashes to manipulate the server's file resolution process. The technical implementation involves the web server failing to properly sanitize user-supplied input before using it to determine file paths, creating an opportunity for unauthorized access to server-side script files including php implementations that contain sensitive business logic, database credentials, and application code. 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 operational impact of this vulnerability extends beyond simple information disclosure, as the exposure of php source code provides attackers with comprehensive insights into the application's architecture, business logic, and potential security weaknesses that could facilitate further exploitation. Attackers can leverage this vulnerability to extract complete php scripts, potentially discovering database connection strings, API keys, cryptographic secrets, and other sensitive information embedded within the source code. The attack vector specifically exploits the server's handling of special characters in file paths, where the dot, space, and slash combinations can be manipulated to traverse directory structures beyond the intended web root. This vulnerability aligns with ATT&CK technique T1213.002, which involves data from network shared drives, and T1566.001, representing spearphishing via web applications, as the disclosed source code could be used to craft more sophisticated attacks against the target environment. The security implications are particularly severe for web applications that store sensitive data within php files or utilize configuration files containing authentication credentials. Organizations running RaidenHTTPD 1.1.47 should immediately implement mitigations including input validation, proper path sanitization, and access controls to prevent unauthorized file access. The vulnerability demonstrates the critical importance of proper input validation and the principle of least privilege in web server configurations, as the flaw essentially allows attackers to bypass normal file access controls through crafted requests that exploit the server's path resolution mechanisms. This represents a classic example of how insufficient validation of user-supplied data can lead to severe information disclosure vulnerabilities that compromise the entire application security posture. The remediation approach should focus on implementing robust input validation that prevents the use of directory traversal sequences and ensuring that all file access operations are properly sandboxed within designated directories. Additionally, organizations should conduct comprehensive security assessments to identify similar vulnerabilities in other web applications and ensure that all web server configurations follow security best practices for preventing unauthorized access to sensitive files and directories.