CVE-2006-2004 in RI Blog
Summary
by MITRE
Multiple SQL injection vulnerabilities in RI Blog 1.1 allow remote attackers to execute arbitrary SQL command via the (1) username or (2) password fields.
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Analysis
by VulDB Data Team • 09/04/2017
The vulnerability identified as CVE-2006-2004 affects RI Blog version 1.1 and represents a critical security flaw that exposes the application to remote code execution through SQL injection attacks. This vulnerability resides in the authentication mechanism of the blogging platform where user input is not properly sanitized before being incorporated into database queries. The specific attack vectors target the username and password fields, which are commonly used in login forms and authentication processes. These fields represent high-value targets for attackers because they directly influence the application's database interactions and user access control systems. The vulnerability demonstrates poor input validation practices and highlights the critical importance of proper data sanitization in web applications.
The technical implementation of this vulnerability stems from the application's failure to employ prepared statements or parameterized queries when processing user credentials. When attackers submit malicious input through the username or password fields, the application directly concatenates these values into SQL command strings without proper escaping or sanitization. This allows attackers to inject malicious SQL syntax that can manipulate the database queries in unintended ways. The vulnerability falls under CWE-89 which specifically addresses SQL injection flaws, and aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. Attackers can leverage this weakness to bypass authentication mechanisms, extract sensitive user data, modify database records, or even gain unauthorized access to the underlying database system.
The operational impact of this vulnerability extends beyond simple credential theft, as it enables attackers to execute arbitrary database commands with the privileges of the application's database user. This could result in complete compromise of the blog's user database, allowing attackers to view, modify, or delete user accounts and their associated data. The vulnerability also poses significant risks to the overall system integrity since successful exploitation could provide attackers with a foothold for further lateral movement within the network infrastructure. Organizations using RI Blog 1.1 are particularly vulnerable because the attack surface is minimal and the exploitation requires only basic SQL injection knowledge. The impact is exacerbated by the fact that many legacy web applications like RI Blog 1.1 lack modern security features and proper input validation mechanisms.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and sanitization measures. The most effective approach involves transitioning from dynamic SQL query construction to prepared statements or parameterized queries that separate the SQL command structure from the user input data. Organizations should implement comprehensive input filtering that rejects or escapes special characters commonly used in SQL injection attacks such as single quotes, semicolons, and comment markers. Additionally, the application should employ proper authentication mechanisms with account lockout features and secure password storage practices. Security patches should be applied immediately to upgrade to newer versions of RI Blog that address these vulnerabilities, and the system should be configured with appropriate database permissions that limit the privileges of the application's database user. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense against exploitation attempts. Regular security audits and penetration testing should be conducted to identify and remediate similar vulnerabilities in other applications within the organization's infrastructure.