CVE-2005-3324 in MWChat
Summary
by MITRE
SQL injection vulnerability in chat.php in MWChat 6.8 allows remote attackers to execute arbitrary SQL commands via the username parameter.
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Analysis
by VulDB Data Team • 08/22/2025
The vulnerability identified as CVE-2005-3324 represents a critical sql injection flaw within the MWChat 6.8 web application, specifically affecting the chat.php script. This vulnerability resides in the handling of user input through the username parameter, creating a pathway for malicious actors to manipulate database queries and potentially gain unauthorized access to sensitive information. The flaw demonstrates a classic lack of proper input validation and sanitization, allowing attackers to inject malicious sql code that bypasses normal authentication and authorization mechanisms. Such vulnerabilities are particularly dangerous in chat applications where user data, session information, and potentially sensitive communications are stored and processed within database systems.
The technical implementation of this vulnerability stems from improper parameter handling within the chat.php script where the username input is directly incorporated into sql queries without adequate sanitization or parameterization. When an attacker submits a malicious username value containing sql payload characters such as single quotes, semicolons, or sql keywords, the application processes these inputs without proper validation, leading to the execution of unintended sql commands. This flaw aligns with CWE-89, which specifically addresses sql injection vulnerabilities where untrusted data is embedded into sql queries without proper escaping or parameterization. The vulnerability operates at the application layer, making it accessible through standard http requests and requiring no special privileges to exploit, thus classifying it as a remote code execution vulnerability.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and unauthorized access to chat session data. Attackers can leverage this vulnerability to extract user credentials, view private conversations, modify chat records, or even escalate privileges within the database. The implications are particularly severe for chat applications that handle sensitive communications, as this vulnerability could enable attackers to gain access to confidential information, potentially compromising user privacy and organizational security. Additionally, the vulnerability could be exploited to establish persistent access points within the system, making it a valuable target for attackers seeking long-term unauthorized access. This type of vulnerability directly relates to ATT&CK technique T1190, which covers exploitation of remote services through injection attacks, and T1071.004, covering application layer protocol manipulation.
Mitigation strategies for CVE-2005-3324 should focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. Organizations should immediately upgrade to patched versions of MWChat or implement web application firewalls that can detect and block malicious sql injection attempts. The implementation of prepared statements or parameterized queries in all database interactions eliminates the risk of sql injection by separating sql code from user input data. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. Network segmentation and access controls should be implemented to limit the potential damage from successful exploitation, while comprehensive logging and monitoring systems should be deployed to detect unauthorized access attempts. The vulnerability underscores the importance of following secure coding practices and adhering to industry standards such as the OWASP top ten security risks to prevent similar issues in future application development cycles.