CVE-2007-6651 in Bitweaver
Summary
by MITRE
Directory traversal vulnerability in wiki/edit.php in Bitweaver R2 CMS allows remote attackers to obtain sensitive information (script source code) via a .. (dot dot) in the suck_url parameter.
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Analysis
by VulDB Data Team • 06/21/2025
The vulnerability described in CVE-2007-6651 represents a classic directory traversal flaw within the Bitweaver R2 Content Management System, specifically affecting the wiki/edit.php component. This weakness enables remote attackers to access sensitive system files and script source code by manipulating the suck_url parameter through directory traversal sequences. The vulnerability stems from inadequate input validation and sanitization within the application's file handling mechanisms, allowing malicious users to navigate beyond the intended directory structure and retrieve unauthorized content.
This directory traversal vulnerability falls under the CWE-22 category, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw occurs when user-supplied input is directly incorporated into file system operations without proper validation or sanitization. In the context of Bitweaver CMS, the suck_url parameter in wiki/edit.php fails to properly validate or sanitize the input, creating an opportunity for attackers to exploit the system's file access mechanisms.
The operational impact of this vulnerability is significant as it allows remote attackers to obtain sensitive information including script source code, configuration files, and potentially other system files that may contain credentials or other confidential data. This exposure can lead to complete system compromise, as attackers can analyze the source code to identify additional vulnerabilities, extract database credentials, or discover other sensitive information that could be leveraged for further attacks. The remote nature of this exploit means that attackers do not require local system access or authentication to exploit the vulnerability, making it particularly dangerous in publicly accessible web applications.
The attack vector for CVE-2007-6651 aligns with techniques documented in the MITRE ATT&CK framework under the T1083 technique for discovering files and directories, where adversaries attempt to enumerate system resources to identify valuable targets. The vulnerability specifically maps to the T1566 sub-technique for credential access through exploitation of software vulnerabilities. Organizations running Bitweaver R2 CMS systems are particularly at risk as this flaw enables attackers to extract not just basic source code but potentially sensitive configuration information that could be used to escalate privileges or conduct more sophisticated attacks.
Mitigation strategies for this vulnerability should include immediate input validation and sanitization of all user-supplied parameters, particularly those used in file operations. The implementation of proper path validation techniques such as canonicalization checks and the use of allowlists for acceptable file paths can prevent directory traversal attempts. Additionally, restricting file access permissions and implementing proper access controls can limit the damage from successful exploitation attempts. Organizations should also consider implementing web application firewalls that can detect and block suspicious directory traversal patterns in HTTP requests, and ensure that all Bitweaver CMS installations are updated to versions that address this specific vulnerability. The remediation process should include thorough code review of file handling operations and implementation of secure coding practices that prevent similar vulnerabilities from being introduced in future development cycles.