CVE-2009-2639 in The Ticket System
Summary
by MITRE
SQL injection vulnerability in admin.php in MRCGIGUY The Ticket System 2.0 allows remote attackers to execute arbitrary SQL commands via the id parameter in a viewticket action.
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Analysis
by VulDB Data Team • 12/01/2024
The CVE-2009-2639 vulnerability represents a critical sql injection flaw within the MRCGIGUY The Ticket System 2.0 application that exposes the administrative backend to remote exploitation. This vulnerability specifically targets the admin.php file and occurs when processing the id parameter during viewticket actions, creating an avenue for malicious actors to bypass authentication mechanisms and execute unauthorized database operations. The flaw demonstrates a classic lack of proper input validation and sanitization that has been documented as a persistent weakness in web applications since the early days of internet security. The vulnerability falls under the CWE-89 category of sql injection, which is one of the most commonly exploited weaknesses in web applications according to the CWE database maintained by the Mitre Corporation. The attack vector operates through the manipulation of the id parameter that is passed to the admin.php script, allowing an attacker to inject malicious sql code that gets executed within the context of the database connection used by the ticketing system.
The operational impact of this vulnerability extends beyond simple data theft or modification, as it provides attackers with complete administrative control over the ticketing system's database. Successful exploitation enables remote attackers to extract sensitive information including user credentials, ticket details, system configurations, and potentially other database contents that may contain additional sensitive data. The vulnerability's remote nature means that attackers do not require physical access to the system or local network privileges to exploit it, making it particularly dangerous for internet-facing applications. This type of vulnerability directly violates the principle of least privilege and undermines the integrity of the application's authentication and authorization mechanisms. According to the mitre att&ck framework, this vulnerability would map to the credential access and execution tactics, specifically leveraging the sql injection technique under the T1071.004 sub-technique for application layer protocol manipulation. The attack could be automated through various tools and techniques that probe for sql injection vulnerabilities, making the exploitation process relatively straightforward for threat actors with basic technical skills.
Mitigation strategies for CVE-2009-2639 must address both the immediate security gap and implement comprehensive defensive measures to prevent similar vulnerabilities from emerging in future development cycles. The primary fix involves implementing proper input validation and parameterized queries to ensure that user-supplied data cannot be interpreted as sql commands. This includes sanitizing all input parameters, particularly those used in database queries, and implementing proper escape sequences or prepared statements that separate sql code from data. Organizations should also implement web application firewalls and intrusion detection systems to monitor for suspicious parameter patterns that might indicate sql injection attempts. The vulnerability highlights the importance of following secure coding practices and conducting regular security assessments of web applications. Additionally, implementing proper access controls and limiting database privileges to the minimum required for application functionality can reduce the potential impact of successful exploitation attempts. Regular security updates and patches for the ticketing system are essential, as this vulnerability was likely addressed in subsequent versions of the software. The incident underscores the need for security awareness training for developers and the implementation of secure development lifecycle practices that incorporate security testing at every phase of application development.