CVE-2009-2240 in free-sw leger
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in AD2000 free-sw leger (aka Web Conference Room Free) 1.6.4 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 12/09/2017
The vulnerability identified as CVE-2009-2240 represents a critical cross-site scripting flaw affecting the AD2000 free-sw leger application, commonly known as Web Conference Room Free version 1.6.4 and earlier. This vulnerability falls under the broader category of web application security weaknesses that can compromise user sessions and data integrity. The affected software operates as a web-based conferencing solution that likely handles user input through various interface elements, making it susceptible to malicious script injection attacks. The vulnerability's presence in a free software implementation suggests that even seemingly benign applications can harbor significant security risks when proper input validation and output encoding mechanisms are absent.
The technical nature of this XSS vulnerability stems from insufficient sanitization of user-supplied input within the application's web interface components. Attackers can exploit unspecified vectors to inject malicious scripts or HTML code that will execute in the context of other users' browsers when they access compromised pages. This type of vulnerability typically occurs when applications fail to properly validate, filter, or encode data before rendering it in web responses. The unspecified vectors indicate that the attack surface may encompass multiple input points within the application, including form fields, URL parameters, or other user-controllable data elements that are not properly escaped or validated before being processed and displayed to end users. According to CWE classification, this vulnerability maps to CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a classic example of client-side code injection.
The operational impact of this vulnerability extends beyond simple script execution, potentially enabling attackers to perform session hijacking, steal sensitive user information, manipulate application data, or redirect users to malicious websites. In a conferencing environment, this could allow unauthorized individuals to access meeting data, intercept communications, or compromise the privacy of participants. The remote exploitation capability means that attackers do not require physical access to the system or network, making the vulnerability particularly dangerous. The vulnerability's presence in a free software implementation also indicates a potential risk to organizations that may not have dedicated security teams to monitor and patch such applications, creating a wider attack surface for malicious actors who target these less secure systems. From an ATT&CK framework perspective, this vulnerability aligns with T1059.001 (Command and Scripting Interpreter: PowerShell) and T1566 (Phishing) techniques, as attackers could leverage the XSS to establish persistent access or deliver additional payloads through compromised user sessions.
Mitigation strategies for CVE-2009-2240 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. Organizations should immediately upgrade to patched versions of the Web Conference Room Free software or migrate to more secure alternatives. The implementation of Content Security Policy headers, proper HTML escaping of dynamic content, and thorough input sanitization routines can significantly reduce the risk of exploitation. Additionally, regular security assessments of all web applications, including free software implementations, should be conducted to identify similar vulnerabilities before they can be exploited by threat actors. The vulnerability serves as a reminder of the critical importance of security in all software components regardless of their perceived complexity or intended use, particularly in environments where user interaction and data exchange are fundamental to the application's functionality.