CVE-2008-6346 in DR Wiki
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the DR Wiki (dr_wiki) extension 1.7.1 and earlier for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 12/04/2017
The CVE-2008-6346 vulnerability represents a critical cross-site scripting flaw within the DR Wiki extension version 1.7.1 and earlier for the TYPO3 content management system. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws. The DR Wiki extension, designed to provide wiki functionality within TYPO3, failed to properly sanitize user input, creating an avenue for malicious actors to inject arbitrary web scripts or HTML content into the application's response.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the DR Wiki extension's processing mechanisms. Attackers can exploit this weakness by crafting malicious payloads that are then executed in the context of other users' browsers who view the affected wiki pages. The unspecified vectors suggest that multiple entry points within the extension could be compromised, potentially including form fields, URL parameters, or content submission areas. This broad attack surface increases the likelihood of successful exploitation and makes the vulnerability particularly dangerous for organizations relying on TYPO3 with the DR Wiki extension.
The operational impact of this vulnerability extends beyond simple data theft or defacement. When exploited, XSS attacks can enable session hijacking, where attackers steal user authentication cookies and impersonate legitimate users. This could lead to full administrative access to the TYPO3 system and its associated wiki content. Additionally, the vulnerability may facilitate more sophisticated attacks such as credential theft, data exfiltration, or the delivery of malware to unsuspecting users. Organizations using affected versions of the DR Wiki extension face significant risks to their web application security posture and user data integrity.
Mitigation strategies for CVE-2008-6346 require immediate action to address the root cause through proper input sanitization and output encoding practices. The primary recommendation involves upgrading to a patched version of the DR Wiki extension that properly validates and escapes all user-provided content before rendering it within the web page context. Organizations should also implement comprehensive input validation at multiple layers, including client-side and server-side sanitization, to prevent malicious scripts from being stored or executed. Security headers such as Content Security Policy should be implemented to add an additional layer of protection against XSS attacks. This vulnerability aligns with ATT&CK technique T1531 for "Account Access Token Manipulation" and T1059.001 for "Command and Scripting Interpreter" when considering the potential for session hijacking and command execution through the XSS vector. Regular security assessments and web application firewalls should be deployed to monitor and prevent exploitation attempts, while user education regarding suspicious web content remains crucial for overall security hygiene.