CVE-2012-2062 in Redirecting click bouncer
Summary
by MITRE
Open redirect vulnerability in the Redirecting click bouncer module for Drupal allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.
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Analysis
by VulDB Data Team • 02/05/2018
The CVE-2012-2062 vulnerability represents a critical open redirect flaw within the Redirecting click bouncer module for the Drupal content management system. This vulnerability classifies under CWE-601 as an open redirect weakness where the application fails to properly validate or sanitize user-supplied input before using it in redirect operations. The flaw exists in the module's handling of URL parameters that are intended to direct users to external websites after certain actions, creating a pathway for malicious actors to manipulate the redirect behavior.
The technical implementation of this vulnerability stems from inadequate input validation within the Drupal module's redirect functionality. Attackers can exploit this weakness by crafting malicious URLs containing crafted redirect parameters that bypass normal validation checks. The vulnerability allows for arbitrary redirection to external domains, making it particularly dangerous for phishing campaigns where attackers can direct users to malicious sites that appear to originate from legitimate Drupal installations. The unspecified vectors mentioned in the description suggest that multiple entry points or parameter handling methods within the module could be exploited, increasing the attack surface and making the vulnerability more pervasive.
The operational impact of CVE-2012-2062 is significant for organizations running vulnerable Drupal installations, as it enables sophisticated social engineering attacks that can compromise user trust and potentially lead to credential theft or malware distribution. When users encounter links that appear to be from legitimate sources but redirect to malicious domains, they may unknowingly provide sensitive information or download harmful software. This vulnerability directly aligns with ATT&CK technique T1566 which covers phishing campaigns and user manipulation through deceptive redirects. The risk is amplified in environments where users frequently interact with external links or where the Drupal platform serves as a gateway to other web services.
Organizations should implement immediate mitigations including updating to patched versions of the Redirecting click bouncer module, implementing strict URL validation for all redirect parameters, and deploying web application firewalls that can detect and block suspicious redirect patterns. Security configurations should enforce whitelisting of approved redirect domains and implement proper input sanitization routines. Additionally, administrators should conduct thorough security audits of all Drupal modules to identify similar vulnerabilities and establish monitoring protocols to detect unauthorized redirect attempts. The vulnerability underscores the importance of proper input validation and the principle of least privilege in web application security, as outlined in the OWASP Top Ten security principles and NIST cybersecurity frameworks.