CVE-2009-4947 in ConnX
Summary
by MITRE
SQL injection vulnerability in frmLoginPwdReminderPopup.aspx in Q2 Solutions ConnX 4.0.20080606 allows remote attackers to execute arbitrary SQL commands via the txtEmail parameter.
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Analysis
by VulDB Data Team • 03/19/2015
The vulnerability identified as CVE-2009-4947 represents a critical sql injection flaw within the Q2 Solutions ConnX 4.0.20080606 web application platform. This vulnerability specifically targets the frmLoginPwdReminderPopup.aspx page which handles password reset functionality for users. The flaw exists due to inadequate input validation and sanitization of user-supplied data, particularly affecting the txtEmail parameter that is processed during password recovery requests. Attackers can exploit this weakness by crafting malicious sql payloads within the email field, potentially gaining unauthorized access to the underlying database system.
The technical implementation of this vulnerability stems from the application's failure to properly escape or parameterize user input before incorporating it into sql queries. When a user submits a password reset request through the vulnerable form, the application directly concatenates the txtEmail parameter value into a sql statement without appropriate sanitization measures. This creates an environment where malicious input can alter the intended sql command structure, allowing attackers to inject arbitrary sql commands that execute with the privileges of the database user account. The vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses sql injection vulnerabilities, making it a well-documented and widely recognized threat vector in web application security.
From an operational perspective, this vulnerability presents significant risks to organizations using Q2 Solutions ConnX 4.0.20080606 as it enables remote code execution and data manipulation capabilities. Attackers could potentially extract sensitive user information including hashed passwords, personal data, and system configurations from the database. The impact extends beyond simple data theft as malicious actors could modify database records, delete critical information, or even escalate privileges to gain full administrative control over the affected system. This vulnerability directly maps to several ATT&CK techniques including T1190 for exploitation of remote services and T1071.004 for application layer protocol usage, demonstrating how attackers can leverage such flaws to establish persistent access and conduct further reconnaissance.
Organizations should immediately implement multiple layers of mitigation strategies to address this vulnerability. The primary recommendation involves implementing proper input validation and parameterized queries throughout the application codebase, ensuring that all user-supplied data is properly sanitized before database interaction. Additionally, implementing web application firewalls and input filtering mechanisms can provide additional protection against sql injection attempts. Regular security patching and updates should be prioritized to address known vulnerabilities in third-party applications. Network segmentation and principle of least privilege access controls should be enforced to limit potential damage if exploitation occurs. The vulnerability also highlights the importance of regular security assessments and code reviews to identify and remediate similar weaknesses in other application components, as sql injection remains one of the most prevalent and dangerous web application security threats according to industry security frameworks and threat intelligence reports.