CVE-2007-3534 in WebChat
Summary
by MITRE
SQL injection vulnerability in login.php in WebChat 0.78 allows remote attackers to execute arbitrary SQL commands via the rid parameter.
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Analysis
by VulDB Data Team • 09/23/2024
The vulnerability identified as CVE-2007-3534 represents a critical SQL injection flaw within the WebChat 0.78 application's login.php script. This issue manifests through the improper handling of the rid parameter, which serves as a critical input point for user authentication processes. The flaw exists in the application's database interaction logic where user-supplied input is directly concatenated into SQL query strings without adequate sanitization or parameterization measures. Attackers can exploit this weakness by crafting malicious SQL commands within the rid parameter value, thereby bypassing authentication mechanisms and gaining unauthorized access to the underlying database system.
The technical exploitation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a fundamental weakness in software design where untrusted data is incorporated into SQL commands without proper validation or escaping. This particular implementation flaw demonstrates how insufficient input validation can lead to complete database compromise, as the rid parameter directly influences the SQL query structure. The vulnerability operates at the application layer, specifically targeting the authentication module where user credentials and session identifiers are processed, making it particularly dangerous for systems handling sensitive user data or confidential communications.
From an operational perspective, this vulnerability poses significant risks to organizations utilizing WebChat 0.78 for communication services. Remote attackers can leverage this flaw to execute arbitrary SQL commands, potentially leading to unauthorized data access, data modification, or complete database destruction. The impact extends beyond simple authentication bypass, as successful exploitation may allow attackers to escalate privileges, extract sensitive user information, or manipulate the chat system's functionality. This vulnerability directly maps to several ATT&CK techniques including T1190 for exploitation of remote services and T1078 for valid accounts usage, as attackers can gain persistent access through compromised authentication mechanisms.
Mitigation strategies for CVE-2007-3534 require immediate implementation of proper input validation and parameterized queries to prevent SQL injection attacks. Organizations should implement input sanitization measures that filter or escape special characters in the rid parameter, ensuring that user-supplied data cannot alter the intended SQL command structure. The recommended approach involves transitioning from dynamic SQL query construction to prepared statements or parameterized queries that separate SQL logic from data input. Additionally, implementing proper access controls and input validation at the application level, combined with regular security audits and code reviews, will help prevent similar vulnerabilities from emerging in future versions of the WebChat application. System administrators should also consider network-level protections such as web application firewalls to detect and block malicious SQL injection attempts targeting this specific parameter.