CVE-2008-5883 in mini-pub
Summary
by MITRE
Absolute path traversal vulnerability in front-end/dir.php in mini-pub 0.3 and earlier allows remote attackers to list arbitrary directories via a full pathname in the sDir parameter.
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Analysis
by VulDB Data Team • 11/07/2024
The CVE-2008-5883 vulnerability represents a critical directory traversal flaw in the mini-pub 0.3 content management system that exposes sensitive system information to remote attackers. This vulnerability resides within the front-end/dir.php component and operates through a straightforward but dangerous mechanism that allows malicious actors to manipulate the sDir parameter with absolute pathnames. The flaw stems from inadequate input validation and sanitization within the application's directory listing functionality, creating a pathway for unauthorized access to arbitrary directories on the server filesystem.
The technical implementation of this vulnerability exploits the application's failure to properly validate user-supplied input before using it in directory operations. When a remote attacker provides a full pathname through the sDir parameter, the application processes this input without sufficient sanitization, allowing the traversal to occur. This weakness directly maps to CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as directory traversal or path traversal attacks. The vulnerability enables attackers to bypass normal access controls and potentially access sensitive files, configuration data, or system directories that should remain protected from public access.
The operational impact of CVE-2008-5883 extends beyond simple directory listing capabilities, as it provides attackers with the ability to enumerate system structures and potentially discover sensitive information. Attackers can leverage this vulnerability to map the server's filesystem structure, identify installed applications, and locate potentially vulnerable components or sensitive files such as configuration files, database credentials, or backup files. This reconnaissance capability significantly increases the risk profile of affected systems and can serve as a foundation for more sophisticated attacks. The vulnerability also aligns with ATT&CK technique T1083, which covers directory and file discovery, demonstrating how this flaw can be exploited for initial reconnaissance activities.
Mitigation strategies for this vulnerability require immediate implementation of input validation and sanitization measures within the application's directory handling code. System administrators should ensure that all user-supplied input is properly validated and restricted to predefined acceptable paths, with no allowance for absolute path traversal. The application should implement proper access controls and ensure that directory listing functionality is restricted to authorized users only. Additionally, the system should employ path normalization techniques and maintain a whitelist of allowed directories to prevent unauthorized access. Security patches or code modifications should be implemented to address the root cause of the vulnerability, as the flaw represents a fundamental security weakness that could be exploited for further compromise of the affected system.