CVE-2012-2078 in Activity Module
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Activity module 6.x-1.x for Drupal.
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Analysis
by VulDB Data Team • 02/26/2024
The CVE-2012-2078 vulnerability represents a critical cross-site scripting flaw within the Activity module version 6.x-1.x for the Drupal content management system. This vulnerability specifically affects the Activity module which is designed to track user activities and generate activity feeds within Drupal sites. The flaw arises from inadequate input validation and output encoding mechanisms within the module's codebase, creating a pathway for malicious actors to inject arbitrary web scripts into the application's response. The vulnerability is categorized under CWE-79 which specifically addresses Cross-Site Scripting flaws, making it a well-documented and severe security concern within web application security standards.
The technical implementation of this vulnerability stems from the Activity module's failure to properly sanitize user-supplied input before rendering it in the web page context. When users interact with the module's functionality, particularly when viewing activity feeds or performing operations that involve user-generated content, the module does not adequately escape or encode special characters that could be interpreted as HTML or JavaScript code. This allows attackers to craft malicious payloads that, when executed, can perform actions on behalf of authenticated users within the browser context of the vulnerable site. The vulnerability is particularly dangerous because it can be exploited by both authenticated users and anonymous visitors, depending on the module's configuration and access controls.
The operational impact of CVE-2012-2078 extends beyond simple data theft or defacement, as it provides attackers with the capability to execute persistent malicious scripts within the context of affected Drupal installations. Attackers can leverage this vulnerability to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even establish backdoor access through more sophisticated attack vectors. The vulnerability affects Drupal 6.x installations where the Activity module is enabled, making it a significant concern for organizations that maintain legacy Drupal systems or have not yet migrated to more secure versions. The exploitability of this vulnerability aligns with ATT&CK technique T1566 which covers the use of web application vulnerabilities for initial access and privilege escalation.
Mitigation strategies for this vulnerability require immediate action from system administrators and security teams. The primary recommendation involves upgrading to a patched version of the Activity module or applying the specific security patch released by the Drupal security team. Organizations should also implement proper input validation and output encoding practices within their web applications, ensuring that all user-supplied content is properly sanitized before being rendered in web pages. Additionally, implementing Content Security Policy (CSP) headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be executed. Regular security audits and vulnerability assessments should be conducted to identify similar flaws in other modules and components of the Drupal installation, as this vulnerability demonstrates the importance of proper security practices in module development and maintenance. The vulnerability also underscores the necessity of keeping all third-party components up-to-date and following secure coding practices as outlined in industry standards such as the OWASP Top Ten and the ISO/IEC 27001 security framework.