CVE-2008-6699 in Tjs Reslib
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Resource Library (tjs_reslib) 0.1.0 and earlier extension for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
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Analysis
by VulDB Data Team • 12/07/2017
The CVE-2008-6699 vulnerability represents a critical cross-site scripting flaw within the Resource Library extension for TYPO3 content management system. This vulnerability affects versions 0.1.0 and earlier of the tjs_reslib extension, creating a significant security risk for TYPO3 installations that utilize this component. The issue stems from inadequate input validation and output encoding mechanisms within the extension's codebase, allowing malicious actors to inject malicious scripts into web pages viewed by other users.
The technical implementation of this vulnerability occurs through unknown vectors within the Resource Library extension's processing logic. These vectors likely involve improper sanitization of user-supplied data that flows through the extension's rendering functions or API endpoints. The flaw permits attackers to execute arbitrary JavaScript code within the context of a victim's browser session, potentially leading to session hijacking, credential theft, or defacement of web content. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting vulnerabilities in software applications.
The operational impact of CVE-2008-6699 extends beyond simple script injection, as it enables attackers to leverage the TYPO3 platform for more sophisticated attacks. An attacker could exploit this vulnerability to establish persistent access to user sessions, steal sensitive information, or manipulate the content management system's functionality. The remote nature of the attack means that exploitation does not require physical access to the target system, making it particularly dangerous for publicly accessible TYPO3 installations. This vulnerability directly aligns with ATT&CK technique T1566 which focuses on the initial access phase of cyber operations through malicious web content.
Organizations utilizing TYPO3 with the affected Resource Library extension face significant risk exposure from this vulnerability. The attack surface includes any user interaction with the extension's features, particularly those involving content submission or viewing of resource libraries. Security teams should immediately assess their TYPO3 installations for the presence of this extension and implement mitigation strategies. The recommended remediation approach involves upgrading to a patched version of the Resource Library extension, implementing proper input validation, and ensuring comprehensive output encoding for all user-supplied data. Additionally, organizations should consider implementing web application firewalls and monitoring for suspicious script injection attempts to detect potential exploitation attempts.