CVE-2006-0643 in E Pop Web Conferencing
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in WiredRed e/pop Web Conferencing 4.1.0.755 allows remote authenticated users to inject arbitrary web script or HTML via the topic name of a conference.
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Analysis
by VulDB Data Team • 08/05/2017
The vulnerability identified as CVE-2006-0643 represents a critical cross-site scripting flaw within the WiredRed e/pop Web Conferencing 4.1.0.755 application. This security weakness resides in the application's handling of conference topic names, where user input is not properly sanitized before being rendered in web pages. The vulnerability affects authenticated users who can create or modify conference topics, providing them with the capability to inject malicious script code that executes in the context of other users' browsers. This particular implementation of XSS occurs when the application fails to validate or escape special characters in the topic name field, allowing attackers to embed javascript code or html elements that persist within the application's user interface.
The technical exploitation of this vulnerability follows the standard XSS attack pattern where malicious input is stored and subsequently executed in the browser of unsuspecting victims. When an authenticated user views a conference topic containing malicious script code, the browser executes this code within the security context of the vulnerable application. This behavior aligns with CWE-79 which categorizes cross-site scripting as a code injection vulnerability where untrusted data is improperly handled in web applications. The attack vector specifically targets the topic name parameter, which is likely processed through server-side code that constructs html output without appropriate input sanitization or output encoding mechanisms. The vulnerability demonstrates a classic failure in data validation and sanitization practices that violates fundamental web application security principles.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a range of malicious activities including session hijacking, credential theft, data exfiltration, and privilege escalation. An attacker with access to the conferencing application can craft malicious topic names that contain javascript payloads designed to steal session cookies or redirect users to phishing sites. The persistent nature of the vulnerability means that once a malicious topic is created, any user who views that topic will be exposed to the injected code, potentially affecting multiple users within the organization. This makes the vulnerability particularly dangerous in collaborative environments where conference topics are frequently shared and viewed by multiple participants. The attack can be classified under ATT&CK technique T1566.001 which covers credential access through social engineering and malicious code execution.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and output encoding mechanisms throughout the application's data flow. The most effective immediate solution involves sanitizing all user-supplied input, particularly in fields like topic names, by removing or encoding special characters that could be interpreted as html or script tags. Implementing Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. Organizations should also consider implementing proper access controls and input length restrictions to limit the potential impact of malicious inputs. Regular security testing and code reviews should be conducted to identify similar vulnerabilities in other application components. The vulnerability highlights the critical importance of following secure coding practices and implementing defense-in-depth strategies as outlined in industry standards such as OWASP Top Ten and NIST cybersecurity frameworks.