CVE-2012-1636 in stickynote
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in the stickynote module before 7.x-1.1 for Drupal allows remote attackers to hijack the authentication of users for requests that delete stickynotes via unspecified vectors.
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Analysis
by VulDB Data Team • 12/14/2021
The CVE-2012-1636 vulnerability represents a critical cross-site request forgery flaw within the Drupal stickynote module version 7.x-1.0 and earlier. This vulnerability exposes Drupal installations to unauthorized actions that can be executed without user consent, fundamentally undermining the security model of web applications. The issue specifically affects the module's handling of delete operations for stickynotes, creating a pathway for malicious actors to manipulate user sessions and execute unauthorized deletions. The vulnerability operates through unspecified vectors that leverage the trust relationship between the web application and the user's browser, allowing attackers to craft malicious requests that appear legitimate to the server.
From a technical perspective, the CSRF vulnerability stems from the absence of proper anti-forgery tokens or validation mechanisms within the stickynote module's delete functionality. When a user navigates to a malicious website or clicks on a crafted link, the attacker's server can initiate requests to the vulnerable Drupal site that perform stickynote deletions. This occurs because the application fails to verify that the request originated from the legitimate user interface rather than from an external malicious source. The vulnerability's classification aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in web applications. The attack vector typically involves social engineering tactics where users are tricked into visiting compromised websites that automatically submit deletion requests to the target Drupal installation.
The operational impact of this vulnerability extends beyond simple data loss, as it demonstrates a fundamental failure in session management and request validation. An attacker who successfully exploits this vulnerability can delete stickynotes that may contain sensitive information, disrupt user experience, or potentially gain insights into user behavior patterns. The risk increases significantly in environments where stickynotes serve as collaborative tools or contain confidential data. This vulnerability particularly affects Drupal 7.x installations running the stickynote module, creating a persistent threat vector that remains active until the module is updated to version 7.x-1.1 or later. The implications align with ATT&CK technique T1531, which involves use of unauthorized commands to manipulate data, and T1078, which addresses valid accounts usage for persistence and privilege escalation.
Mitigation strategies for CVE-2012-1636 require immediate action to update the stickynote module to version 7.x-1.1 or higher, which includes proper CSRF protection mechanisms. Organizations should also implement comprehensive monitoring of user activities and system logs to detect unauthorized deletion attempts. Security teams should conduct regular vulnerability assessments of all Drupal modules to ensure compliance with security best practices. The recommended remediation approach involves not only updating the vulnerable module but also reviewing other modules for similar CSRF vulnerabilities. Additionally, implementing Content Security Policy headers and ensuring proper session management practices can provide additional defense layers against such attacks. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date web application components and implementing robust input validation mechanisms to prevent unauthorized actions.