CVE-2012-3802 in Post Affiliate Pro
Summary
by MITRE
Unspecified vulnerability in the Post Affiliate Pro (PAP) module for Drupal allows remote authenticated users to read the commissions of other users via unknown attack vectors.
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Analysis
by VulDB Data Team • 01/30/2018
The vulnerability identified as CVE-2012-3802 affects the Post Affiliate Pro module for Drupal, representing a critical access control flaw that undermines the security posture of e-commerce platforms relying on this affiliate marketing solution. This unspecified vulnerability exists within the module's permission handling mechanisms, allowing authenticated users to bypass normal access controls and gain unauthorized visibility into commission data belonging to other users within the same system. The flaw specifically manifests in the module's inability to properly enforce user-level authorization when retrieving commission information, creating a privilege escalation scenario where legitimate users can exploit the system to access sensitive financial data.
The technical nature of this vulnerability places it firmly within the domain of insufficient authorization controls, which aligns with CWE-285, a weakness category that encompasses improper authorization mechanisms in software applications. The attack vector involves authenticated users leveraging the module's data retrieval functions to access commission records that should be restricted to specific user accounts or administrative roles. This type of vulnerability typically arises from inadequate input validation and insufficient access control checks within the application's data access layer, where user permissions are not properly verified before data exposure occurs. The unspecified nature of the attack vectors suggests that multiple pathways within the module's codebase may be susceptible to similar exploitation techniques, indicating a systemic flaw in the module's security architecture.
From an operational impact perspective, this vulnerability creates significant financial and reputational risks for organizations using Drupal with the Post Affiliate Pro module. The ability for authenticated users to read commission data of other users directly compromises the confidentiality of sensitive financial information, potentially exposing revenue sharing details, user payment structures, and business relationships. The attack can be executed without requiring elevated privileges or special tools, making it particularly dangerous as it can be exploited by any user who has valid authentication credentials within the system. Organizations may face regulatory compliance issues, especially if the affected data includes personally identifiable information or financial records that require protection under privacy laws such as gdpr or pci dss standards.
The exploitation of this vulnerability demonstrates characteristics consistent with the attack pattern described in the mitre attack framework under the privilege escalation and credential access tactics. Attackers can leverage this flaw to gather intelligence about other users' commission structures, potentially identifying high-value affiliates or discovering patterns in user behavior that could be used for further attacks. The impact extends beyond immediate data theft, as this information could be used to craft targeted social engineering attacks or to manipulate affiliate relationships for financial gain. Organizations should consider implementing additional monitoring and logging mechanisms to detect unauthorized access attempts to commission data, as the vulnerability may not be immediately apparent through standard security scanning tools.
Mitigation strategies for CVE-2012-3802 should focus on immediate patching of the affected module to address the underlying authorization flaw in the Post Affiliate Pro implementation. Organizations should also implement network segmentation and access controls to limit the scope of potential exploitation, ensuring that only authorized personnel have access to systems containing sensitive commission data. Regular security assessments and code reviews should be conducted to identify similar authorization issues within other modules and custom code implementations. Additionally, implementing proper logging and monitoring for data access patterns can help detect and respond to unauthorized attempts to access commission information. The vulnerability highlights the importance of thorough security testing during module integration and the need for continuous security monitoring of third-party components within Drupal installations.