CVE-2006-0404 in Note-A-Day Weblog
Summary
by MITRE
Note-A-Day Weblog 2.2 stores sensitive data under the web document root with insufficient access control, which allows remote attackers to obtain sensitive information via a direct request to archive/.phpass-admin, which contains encrypted passwords.
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Analysis
by VulDB Data Team • 08/02/2017
The vulnerability identified as CVE-2006-0404 affects Note-A-Day Weblog version 2.2, a web-based blogging platform that suffers from improper access control mechanisms. This flaw resides in the application's configuration where sensitive data is stored within the web document root directory structure, creating a critical security exposure that directly violates fundamental web security principles. The specific file path archive/.phpass-admin contains encrypted password hashes that should never be accessible to unauthenticated users through direct web requests.
The technical implementation flaw stems from the application's failure to enforce proper access controls on sensitive files stored in publicly accessible directories. When attackers make direct requests to the archive/.phpass-admin endpoint, they can retrieve the encrypted password information without authentication. This represents a classic case of inadequate authorization checks and improper file permissions that allow unauthorized access to sensitive system data. The vulnerability demonstrates a clear failure in the principle of least privilege, where sensitive administrative information is exposed through predictable file paths that do not require proper authentication mechanisms.
The operational impact of this vulnerability is significant as it provides remote attackers with immediate access to encrypted password hashes that can potentially be cracked using modern password recovery techniques. This exposure enables attackers to compromise administrative accounts and gain full control over the blogging platform, which could lead to complete system compromise, data exfiltration, and potential lateral movement within network environments. The vulnerability affects not only the immediate application but also poses risks to broader network security if administrators reuse passwords across multiple systems. According to CWE classification, this vulnerability maps to CWE-284 which describes improper access control, and aligns with ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting.
Mitigation strategies for this vulnerability should include immediate implementation of proper file access controls, moving sensitive data outside the web document root, and enforcing authentication checks for all file access requests. Security professionals should implement web application firewalls to block direct access to sensitive file paths, conduct thorough file permission reviews, and ensure that all sensitive data is properly secured through cryptographic means. Additionally, the application should be updated to a patched version that properly implements access control mechanisms, and administrators should perform comprehensive security audits to identify similar vulnerabilities in other components of the web application stack. Regular security testing including penetration testing and vulnerability scanning should be conducted to prevent similar issues from occurring in the future.