CVE-2014-6009 in Zombie Detector
Summary
by MITRE
The Zombie Detector (aka com.jimmybolstad.zombiedetector) application 1.2 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
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Analysis
by VulDB Data Team • 09/09/2024
The vulnerability identified as CVE-2014-6009 affects the Zombie Detector Android application version 1.2, presenting a critical security flaw in the application's handling of secure communications. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant weakness in the security architecture that directly violates fundamental principles of secure communication protocols.
The technical flaw manifests as a complete absence of certificate verification mechanisms within the application's SSL implementation. When the Zombie Detector attempts to establish secure connections with remote servers, it accepts any certificate presented without performing the necessary validation steps that should confirm the certificate's authenticity, validity, and proper signing chain. This vulnerability directly maps to CWE-295, which specifically addresses the weakness of improper certificate validation in secure communications. The application's failure to verify certificate authorities, expiration dates, and domain name matches creates an opening for attackers to exploit the trust relationship between the client and server.
The operational impact of this vulnerability is severe and multifaceted, enabling sophisticated man-in-the-middle attacks that can compromise sensitive user data and system integrity. Attackers can craft malicious certificates that appear legitimate to the vulnerable application, allowing them to intercept, modify, or steal data transmitted between the Android device and remote servers. This weakness particularly affects applications that handle personal information, authentication credentials, or sensitive communications, as the attacker can essentially become a transparent proxy for the user's network traffic. The vulnerability represents a critical failure in the application's security posture and aligns with ATT&CK technique T1573.001, which describes the use of unencrypted communication channels or weak encryption to capture network traffic.
The implications extend beyond simple data theft, as this vulnerability can enable attackers to perform session hijacking, execute arbitrary code, or manipulate application behavior through the compromised communication channel. Users of the Zombie Detector application are particularly at risk since the application likely collects and processes personal information about their device security status, making it a valuable target for cybercriminals seeking to exploit the trust relationship. The vulnerability essentially undermines the entire purpose of implementing SSL/TLS encryption, as the application becomes vulnerable to attacks that would normally be prevented by proper certificate validation.
Mitigation strategies for this vulnerability require immediate implementation of proper certificate validation mechanisms within the application. The fix must include implementing certificate pinning, proper certificate chain validation, and ensuring that all SSL connections verify the certificate against trusted certificate authorities. Organizations should also consider implementing additional security measures such as certificate transparency monitoring and regular security audits of mobile applications. The remediation process should follow industry standards including OWASP Mobile Top 10 recommendations for secure communication and proper SSL/TLS implementation practices. Additionally, the application should be updated to include proper error handling for certificate validation failures, ensuring that any connection attempts with invalid certificates are immediately terminated rather than accepted. This vulnerability serves as a critical reminder of the importance of proper cryptographic implementation in mobile applications and the potential consequences of neglecting fundamental security practices in the development lifecycle.