CVE-2012-3837 in Baby Gekko
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in apps/users/registration.template.php in Baby Gekko 1.2.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) username, (2) email_address, (3) password, (4) password_verify, (5) firstname, (6) lastname, or (7) verification_code parameter to users/action/register. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 12/23/2024
The vulnerability identified as CVE-2012-3837 represents a critical cross-site scripting flaw within the Baby Gekko 1.2.0 content management system, specifically affecting the user registration process. This vulnerability resides in the apps/users/registration.template.php file and exposes the application to remote code execution through malicious script injection. The flaw affects multiple input parameters including username, email_address, password, password_verify, firstname, lastname, and verification_code, all of which are processed during the user registration workflow. The vulnerability classification aligns with CWE-79, which describes improper neutralization of input during web page generation, making it a classic example of client-side code injection that can be exploited by malicious actors to compromise user sessions and data integrity.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through any of the seven affected parameters during the user registration process. The application fails to properly sanitize or escape user-supplied data before rendering it within the web page context, allowing attackers to inject HTML tags and JavaScript code that executes in the browser of other users who view the affected content. This creates a persistent XSS vector that can be used to steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The vulnerability is particularly dangerous because it affects core registration parameters that are frequently used and often contain user-specific information that can be leveraged for social engineering attacks.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to establish persistent access to the application's user base and potentially compromise the entire system. Attackers can use the XSS vulnerability to hijack user sessions, modify user accounts, or create backdoors within the application. The registration process being a critical entry point means that any successful exploitation can lead to account takeovers, data exfiltration, and further lateral movement within the application infrastructure. This vulnerability demonstrates the importance of input validation and output encoding practices that are fundamental to preventing XSS attacks, as outlined in the OWASP Top Ten and the MITRE ATT&CK framework's web application attack patterns.
Mitigation strategies for this vulnerability require immediate implementation of proper input sanitization and output encoding mechanisms throughout the application's user registration process. The recommended approach includes implementing strict validation of all input parameters to ensure they conform to expected formats, employing context-specific output encoding before rendering user data in web pages, and implementing Content Security Policy headers to limit script execution. Organizations should also consider implementing Web Application Firewall rules to detect and block suspicious input patterns targeting these specific parameters. The vulnerability highlights the necessity of regular security testing and code reviews, particularly focusing on areas where user input is processed and rendered, as specified in industry standards such as the OWASP Application Security Verification Standard and NIST SP 800-53 security controls. Additionally, the vulnerability underscores the importance of keeping software components updated and patched, as this particular flaw existed in versions up to 1.2.0 and would likely have been addressed in subsequent releases through proper security hardening measures.