CVE-2010-2000 in Bibliography
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Bibliography (Biblio) module 5.x through 5.x-1.17 and 6.x through 6.x-1.9 for Drupal allows remote authenticated users, with "administer biblio" privileges, to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2010-1358.
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Analysis
by VulDB Data Team • 02/05/2019
The vulnerability identified as CVE-2010-2000 represents a cross-site scripting flaw within the Bibliography module for Drupal platforms, affecting versions 5.x through 5.x-1.17 and 6.x through 6.x-1.9. This security weakness specifically targets authenticated users who possess administrative privileges within the biblio module, creating a significant risk for organizations relying on Drupal-based content management systems. The vulnerability operates through unspecified attack vectors that differ from CVE-2010-1358, indicating a distinct exploitation pathway that requires careful analysis and mitigation strategies.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output sanitization within the biblio module's processing mechanisms. When authenticated administrators with "administer biblio" permissions create or modify bibliography entries, the module fails to properly sanitize user-supplied data before rendering it in web pages. This allows malicious actors to inject malicious scripts or HTML code that executes in the context of other users' browsers. The vulnerability is particularly concerning because it leverages existing administrative privileges, meaning attackers need only compromise an administrative account to exploit the flaw rather than relying on external user interactions.
The operational impact of CVE-2010-2000 extends beyond simple script injection, as it can enable attackers to perform various malicious activities including session hijacking, data exfiltration, and privilege escalation within the Drupal environment. An attacker who successfully exploits this vulnerability can potentially steal administrative sessions, modify bibliography data, or redirect users to malicious websites. The attack requires minimal user interaction since it operates through legitimate administrative functions, making it particularly dangerous in environments where administrative accounts are frequently used and may have elevated privileges within the system. This vulnerability directly relates to CWE-79, which classifies cross-site scripting as a critical web application security flaw.
Mitigation strategies for CVE-2010-2000 should focus on immediate patch application, as Drupal released updated versions of the biblio module that address the XSS vulnerability. Organizations must ensure all affected Drupal installations are updated to versions containing the security fixes, particularly those that have been patched to properly sanitize user input and prevent malicious script execution. Network administrators should implement additional security measures including web application firewalls, input validation rules, and monitoring for suspicious administrative activities. The vulnerability also highlights the importance of principle of least privilege, where administrative permissions should be carefully managed and regularly reviewed to minimize the potential impact of compromised accounts. Security teams should conduct thorough vulnerability assessments of all Drupal modules to identify similar issues and implement comprehensive security monitoring protocols to detect and respond to exploitation attempts. This vulnerability demonstrates the critical need for proper input sanitization and output encoding practices in web applications, aligning with ATT&CK technique T1059 for command and scripting interpreter usage and T1566 for credential access through social engineering or compromised accounts.