CVE-2008-1961 in Voice Of Web AllMyGuests
Summary
by MITRE
SQL injection vulnerability in index.php in Voice Of Web AllMyGuests 0.4.1 allows remote attackers to execute arbitrary SQL commands via the AMG_id parameter in a comments action.
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Analysis
by VulDB Data Team • 10/21/2024
The vulnerability identified as CVE-2008-1961 represents a critical SQL injection flaw within the AllMyGuests 0.4.1 web application developed by Voice Of Web. This vulnerability specifically targets the index.php script and manifests through the AMG_id parameter when processing comments actions. The flaw enables remote attackers to inject malicious SQL code directly into the application's database queries, potentially compromising the entire backend system. The vulnerability arises from insufficient input validation and sanitization mechanisms within the application's parameter handling process, allowing attackers to manipulate the SQL execution flow through crafted malicious inputs.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted AMG_id parameter value that contains SQL payload within the comments action of the index.php script. This injection allows the attacker to bypass normal authentication mechanisms and execute unauthorized database operations. The vulnerability directly maps to CWE-89, which classifies SQL injection as a weakness that occurs when an application incorporates untrusted data into SQL queries without proper sanitization or parameterization. The attack vector is remote and does not require any special privileges or access to the system, making it particularly dangerous for web applications that are publicly accessible. The flaw demonstrates a fundamental lack of proper input validation and the absence of prepared statements or parameterized queries that would normally prevent such injection attacks.
The operational impact of this vulnerability extends beyond simple data theft or modification. An attacker could potentially gain complete administrative control over the application's database, allowing for data exfiltration, modification of guest book entries, user account manipulation, and even potential lateral movement within the network infrastructure. The vulnerability affects all users of AllMyGuests 0.4.1 who have the comments functionality enabled, making it a widespread risk for any organization using this specific version of the application. This type of vulnerability can also serve as a stepping stone for more sophisticated attacks, potentially leading to full system compromise through the exploitation of additional vulnerabilities in the application stack. The attack can be executed through standard web browser interfaces, making it accessible to attackers with minimal technical expertise.
Mitigation strategies for this vulnerability should include immediate implementation of input validation and sanitization measures within the application code, specifically targeting the AMG_id parameter handling within the comments functionality. The recommended approach involves adopting parameterized queries or prepared statements to ensure that user input is properly separated from SQL command structure, preventing malicious payloads from being executed as part of the database query. Additionally, implementing proper access controls and input length restrictions can significantly reduce the attack surface. Organizations should also consider implementing web application firewalls to detect and block malicious SQL injection attempts, as well as conducting regular security audits and penetration testing to identify similar vulnerabilities. The vulnerability aligns with ATT&CK technique T1190 which covers exploitation of remote services through SQL injection, emphasizing the need for robust database security practices. System administrators should also ensure that the application is updated to a patched version that addresses this specific vulnerability, as the original version is no longer supported and lacks proper security controls. Regular security monitoring and log analysis should be implemented to detect potential exploitation attempts and to maintain visibility into the application's security posture.