CVE-2012-2116 in Commerce Reorder
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in the Commerce Reorder module before 7.x-1.1 for Drupal allows remote attackers to hijack the authentication of arbitrary users for requests that add items to the shopping cart.
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Analysis
by VulDB Data Team • 12/12/2021
The CVE-2012-2116 vulnerability represents a critical cross-site request forgery flaw within the Drupal Commerce Reorder module version 7.x-1.0 and earlier. This vulnerability resides in the web application's session management and authentication handling mechanisms, specifically affecting the shopping cart functionality of Drupal-based e-commerce platforms. The flaw enables malicious actors to exploit the trust relationship between authenticated users and the web application, potentially allowing unauthorized actions to be performed on behalf of legitimate users without their knowledge or consent.
The technical implementation of this CSRF vulnerability stems from the absence of proper anti-CSRF token validation within the Commerce Reorder module's cart modification endpoints. When users navigate to malicious websites or click on compromised links, attackers can craft specially crafted requests that leverage the authenticated user's session cookies to add arbitrary items to their shopping cart. The vulnerability specifically targets the module's ability to verify the authenticity of requests originating from legitimate user interactions versus maliciously constructed requests. This occurs because the application fails to validate that requests are genuinely initiated by the authenticated user rather than being submitted through automated means or maliciously constructed web pages.
The operational impact of this vulnerability extends beyond simple cart manipulation, as it represents a fundamental breach in the application's security model for authenticated sessions. Attackers can exploit this weakness to perform unauthorized transactions, potentially leading to financial loss for users and significant reputational damage for affected organizations. The vulnerability affects the core commerce functionality of Drupal sites, making it particularly dangerous for e-commerce platforms where user sessions and transaction integrity are paramount. This flaw essentially allows attackers to hijack user sessions and perform actions that should only be executable by authenticated users, creating a direct pathway for unauthorized access to user accounts and their associated cart contents.
The vulnerability aligns with CWE-352, which specifically addresses Cross-Site Request Forgery weaknesses in software applications. From an attacker's perspective, this vulnerability maps to multiple ATT&CK techniques including T1566 for initial access through malicious web content and T1078 for valid account access through session hijacking. The attack vector typically involves social engineering campaigns where users are directed to malicious websites that automatically submit requests to the vulnerable Drupal site. Organizations implementing this module without proper CSRF protection mechanisms face significant risk, as the vulnerability can be exploited through simple web page construction without requiring advanced technical skills or privileged access to the target system.
Mitigation strategies for CVE-2012-2116 primarily focus on upgrading to the patched version 7.x-1.1 of the Commerce Reorder module, which implements proper CSRF token validation mechanisms. Organizations should also implement additional security controls including Content Security Policy headers, proper session management configurations, and regular security audits of third-party modules. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though the primary remediation requires module updates. Security teams should conduct comprehensive vulnerability assessments to identify all instances of the vulnerable module across their infrastructure, as the flaw affects the entire Drupal commerce ecosystem and can potentially impact multiple sites within large organizations. The vulnerability underscores the critical importance of keeping content management systems and their modules updated to address known security weaknesses that could compromise user sessions and transaction integrity.