CVE-2006-0370 in RCBlog
Summary
by MITRE
Noah Medling RCBlog 1.03 stores the data and config directories under the web root with insufficient access control, which allows remote attackers to view account names and MD5 password hashes.
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Analysis
by VulDB Data Team • 06/13/2019
The vulnerability described in CVE-2006-0370 represents a critical misconfiguration issue within the Noah Medling RCBlog 1.03 content management system that exposes sensitive user data through improper directory permissions. This flaw stems from the application's design decision to place critical data and configuration directories directly within the web root directory structure, creating an inherent security weakness that bypasses standard access control mechanisms. The vulnerability affects the core security architecture of the blogging platform by failing to implement proper file system permissions and access controls that should normally isolate sensitive data from public web access.
The technical implementation of this vulnerability exploits the fundamental principle of web application security where sensitive files should never reside within publicly accessible directories. When data and configuration directories are stored under the web root, any authenticated or unauthenticated user can potentially access these directories through direct URL traversal methods. The exposure of account names and MD5 password hashes represents a severe compromise of user authentication data, as the MD5 hashes can be subjected to rainbow table attacks or brute force attempts to recover original passwords. This specific flaw aligns with CWE-276, which describes improper file permissions, and demonstrates how inadequate access control can lead to information disclosure vulnerabilities that fundamentally undermine user security.
The operational impact of this vulnerability extends beyond simple information disclosure to create a comprehensive attack surface that enables credential stuffing, password recovery attacks, and potential account takeover scenarios. Attackers can systematically harvest user credentials from the exposed directories and use them across multiple platforms where users may have reused passwords, creating cascading security failures. The vulnerability also provides attackers with insight into the application's user base and potentially reveals information about the system's configuration that could be leveraged for further exploitation. This type of vulnerability commonly maps to ATT&CK technique T1566, specifically the credential access phase where adversaries gather credentials through information discovery and credential dumping activities.
Mitigation strategies for this vulnerability require immediate remediation through proper directory structure reconfiguration and access control implementation. The most effective solution involves moving sensitive data and configuration directories outside of the web root and implementing proper file system permissions that restrict access to authorized users only. Additionally, administrators should implement proper access control lists and ensure that web server configurations properly enforce directory permissions. The vulnerability also highlights the importance of conducting regular security audits to identify and remediate similar misconfigurations. Organizations should establish secure coding practices that emphasize proper separation of concerns between public web content and sensitive data storage. Implementing web application firewalls and monitoring for unauthorized access attempts to sensitive directories can provide additional layers of protection against exploitation of similar vulnerabilities. The remediation process should also include regular security training for developers to prevent such configuration errors in future application deployments.