CVE-2008-6879 in Roller
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Apache Roller 2.3, 3.0, 3.1, and 4.0 allows remote attackers to inject arbitrary web script or HTML via the q parameter in a search action.
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Analysis
by VulDB Data Team • 08/13/2021
The CVE-2008-6879 vulnerability represents a critical cross-site scripting flaw affecting multiple versions of Apache Roller, a popular weblog publishing platform. This vulnerability resides in the search functionality of the application where user input is not properly sanitized before being rendered back to users. The flaw specifically targets the q parameter within the search action, making it accessible to remote attackers who can exploit this weakness without requiring authentication or special privileges. The vulnerability is categorized under CWE-79 as a failure to sanitize user input, which directly enables malicious code execution in the context of the victim's browser.
The technical implementation of this vulnerability demonstrates how insufficient input validation creates a persistent security risk within web applications. When users submit search queries through the q parameter, the application fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code. Attackers can craft malicious payloads that, when executed, can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The impact extends beyond simple data theft as the vulnerability can be leveraged to create persistent backdoors or execute arbitrary commands within the victim's browser context. This vulnerability aligns with ATT&CK technique T1566 which covers social engineering through malicious content delivery, specifically targeting the web application attack surface.
The operational impact of CVE-2008-6879 is significant for organizations relying on Apache Roller platforms, particularly those handling sensitive user data or serving as content management systems for corporate blogs and web publications. A successful exploitation can lead to complete compromise of user sessions, data exfiltration, and potential lateral movement within affected networks. The vulnerability affects versions 2.3, 3.0, 3.1, and 4.0, indicating a long-standing issue that persisted across multiple releases, suggesting inadequate security testing or input validation mechanisms throughout the application's development lifecycle. Organizations using these vulnerable versions face increased risk of credential theft, unauthorized content modification, and potential disruption of services. The attack vector is particularly concerning as it requires no privileged access and can be executed through simple web browser interactions, making it an attractive target for automated exploitation tools.
Mitigation strategies for CVE-2008-6879 should prioritize immediate application updates to patched versions of Apache Roller where available. Organizations should implement comprehensive input validation and output encoding mechanisms, particularly for all user-supplied data that is rendered back to users. The implementation of Content Security Policy headers can provide additional protection against script execution, while proper HTML escaping of all dynamic content helps prevent XSS exploitation. Security teams should also consider deploying web application firewalls to detect and block malicious payloads targeting the q parameter. Regular security assessments and input validation reviews should be conducted to identify similar vulnerabilities within the application codebase. The vulnerability serves as a reminder of the critical importance of implementing secure coding practices and maintaining up-to-date security patches across all web applications, particularly those handling user-generated content or search functionality. Organizations should also consider implementing automated monitoring for suspicious search queries and user behavior patterns that may indicate exploitation attempts.