CVE-2009-4379 in Webmatic
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Valarsoft Webmatic before 3.0.3 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different issue than CVE-2008-2924.
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Analysis
by VulDB Data Team • 01/25/2019
The vulnerability identified as CVE-2009-4379 represents a critical cross-site scripting flaw discovered in Valarsoft Webmatic versions prior to 3.0.3. This security weakness falls under the broader category of injection attacks that have long been recognized as one of the most prevalent and dangerous web application vulnerabilities. The flaw enables remote attackers to execute malicious scripts within the context of a victim's browser session, potentially leading to unauthorized access to sensitive data, session hijacking, or complete account compromise. Unlike CVE-2008-2924 which addressed a different vector of XSS issues, CVE-2009-4379 specifically targets unspecified input vectors within the Webmatic platform, making it particularly concerning for organizations relying on this software for their web applications.
The technical nature of this vulnerability stems from inadequate input validation and output encoding mechanisms within the Webmatic application. When user-supplied data is not properly sanitized before being rendered in web pages, attackers can inject malicious JavaScript code or HTML content that executes in the context of legitimate users' browsers. This type of vulnerability maps directly to CWE-79 which defines Cross-Site Scripting as a weakness where untrusted data is processed without proper validation or encoding, allowing attackers to inject executable code. The unspecified vectors mentioned in the description suggest that the vulnerability may exist across multiple input points within the application, potentially affecting forms, URL parameters, or other user-controllable inputs that are not adequately protected.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable sophisticated attack chains that leverage the compromised user sessions. Attackers could potentially steal session cookies, redirect users to malicious sites, modify web page content, or even perform actions on behalf of authenticated users. The remote nature of the attack means that exploitation does not require physical access to the target system, making it particularly dangerous for web applications that handle sensitive information. Organizations using affected versions of Valarsoft Webmatic face significant risk of data breaches, as this vulnerability essentially provides attackers with a backdoor into their user sessions, potentially affecting all users who interact with the vulnerable application. The lack of specific vector information in the description suggests that the vulnerability may be widespread across multiple application components, amplifying its potential impact.
Mitigation strategies for CVE-2009-4379 should focus on immediate patching of the Valarsoft Webmatic application to version 3.0.3 or later, which contains the necessary security fixes. Organizations should also implement comprehensive input validation mechanisms that sanitize all user-supplied data before processing, while ensuring proper output encoding to prevent script execution in web contexts. The implementation of Content Security Policy (CSP) headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. Security teams should conduct thorough vulnerability assessments to identify any other potential XSS vulnerabilities in their web applications and implement the principle of least privilege for user sessions. This vulnerability aligns with ATT&CK technique T1059.007 which describes the use of script-based attacks to execute malicious code in web applications, making it essential for organizations to maintain robust web application security practices. Regular security testing, including automated scanning and manual penetration testing, should be implemented to identify and remediate similar vulnerabilities before they can be exploited by malicious actors.