CVE-2007-2200 in Pagode
Summary
by MITRE
Directory traversal vulnerability in navigator/navigator_ok.php in Pagode 0.5.8 allows remote attackers to read and possibly delete arbitrary files via a .. (dot dot) in the asolute parameter.
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Analysis
by VulDB Data Team • 09/08/2024
The vulnerability identified as CVE-2007-2200 represents a critical directory traversal flaw within the Pagode content management system version 0.5.8. This weakness resides in the navigator_ok.php script which processes user input through the absolute parameter without proper validation or sanitization. The flaw enables remote attackers to manipulate file system access by exploiting the .. (dot dot) sequence commonly used to navigate up directory levels in file systems. This directory traversal vulnerability falls under the CWE-22 category, which specifically addresses improper limitation of a pathname to a restricted directory, also known as path traversal or directory traversal attacks.
The technical implementation of this vulnerability occurs when the application accepts user-supplied input through the absolute parameter and directly incorporates it into file system operations without adequate input filtering or validation. Attackers can construct malicious paths using the .. sequence to traverse directories above the intended access scope, potentially allowing them to read sensitive files such as configuration files, database credentials, or even system files that should remain protected. The vulnerability's impact extends beyond simple file reading to potentially include file deletion operations, making it particularly dangerous for systems where the application has write permissions. This type of attack leverages fundamental weaknesses in input validation and access control mechanisms that are core to secure application development practices.
The operational implications of this vulnerability are severe for any organization running Pagode 0.5.8, as it provides attackers with unauthorized access to the file system and potentially full system compromise. An attacker could exploit this vulnerability to access sensitive data, including but not limited to database connection strings, administrative credentials, and application configuration files. The attack vector is particularly concerning because it requires no authentication to exploit, making it a high-severity threat that can be executed remotely by any malicious actor. This vulnerability directly aligns with the ATT&CK technique T1083 (File and Directory Discovery) and T1078 (Valid Accounts) as it enables unauthorized access to system resources and potentially allows for privilege escalation through the discovery and exploitation of sensitive files. The impact on system integrity and confidentiality is significant, as this vulnerability could lead to complete system compromise and data breaches.
Mitigation strategies for CVE-2007-2200 must focus on immediate input validation and access control improvements. Organizations should implement strict parameter validation that filters out or rejects any input containing directory traversal sequences such as .. or %2e%2e. The application should enforce proper access controls that restrict file system operations to predefined directories and validate all user inputs through whitelisting mechanisms. Additionally, the system should be updated to a newer version of Pagode that addresses this vulnerability, as version 0.5.8 is outdated and likely contains additional unpatched security flaws. Implementing proper logging and monitoring of file system access operations can help detect exploitation attempts. The remediation approach should follow security best practices outlined in OWASP Top 10 and NIST SP 800-53, specifically focusing on input validation controls and privilege separation. System administrators should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts targeting this specific vulnerability pattern.