CVE-2007-4811 in Netjuke
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Netjuke 1.0-rc2 allow remote attackers to inject arbitrary web script or HTML via (1) the val parameter to alphabet.php in an alpha.albums action, or the PATH_INFO to (2) random.php or (3) admin/hidden.php.
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Analysis
by VulDB Data Team • 08/17/2022
The vulnerability identified as CVE-2007-4811 represents a critical cross-site scripting flaw affecting Netjuke version 1.0-rc2, a web-based music management system that allows users to organize and play digital audio files through a web interface. This vulnerability manifests through multiple attack vectors that collectively expose the application to malicious code injection, potentially compromising user sessions and enabling unauthorized access to sensitive data. The flaw exists in the application's input validation mechanisms, specifically failing to properly sanitize user-supplied parameters before incorporating them into dynamic web content.
The technical exploitation of this vulnerability occurs through three distinct pathways within the Netjuke application's codebase. The first vector targets the alphabet.php script when processing the val parameter during an alpha.albums action, where unfiltered input allows attackers to inject malicious scripts that execute in the context of other users' browsers. The second and third vectors leverage the PATH_INFO parameter to exploit random.php and admin/hidden.php respectively, demonstrating that the vulnerability extends across multiple application modules and is not isolated to a single component. These attack paths represent classic XSS vulnerabilities where user-controllable data flows directly into HTML output without proper sanitization or encoding.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform session hijacking, steal cookies, redirect users to malicious sites, and potentially gain administrative privileges within the application. The fact that the vulnerability affects both user-facing and administrative components means that successful exploitation could lead to complete system compromise, especially if the administrative interface is accessible to authenticated users. According to CWE classification, this vulnerability maps to CWE-79 which specifically addresses Cross-Site Scripting flaws, while the ATT&CK framework would categorize this under TA0001 Initial Access and TA0002 Execution techniques, as attackers can use these vectors to establish persistent access and execute arbitrary commands within user browsers.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding across all user-supplied parameters. The recommended approach involves sanitizing all inputs through proper encoding mechanisms such as HTML entity encoding before rendering content, implementing Content Security Policy headers to limit script execution, and employing proper parameter validation routines that reject or filter out potentially malicious content. Additionally, the application should implement proper session management controls and ensure that administrative interfaces are protected through robust authentication mechanisms. Organizations should also consider implementing web application firewalls to detect and block malicious requests attempting to exploit these XSS vectors. The vulnerability highlights the critical importance of secure coding practices and input validation in web applications, particularly in systems that handle user-generated content or process external parameters.