CVE-2014-6693 in Juiker
Summary
by MITRE
The Juiker (aka org.itri) application 3.2.0829.1 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 • 09/13/2024
The vulnerability identified as CVE-2014-6693 affects the Juiker application version 3.2.0829.1 for Android devices, representing a critical security flaw in the application's SSL/TLS certificate validation mechanism. This issue stems from the application's failure to properly verify X.509 certificates presented by SSL servers during secure communications, creating a significant attack vector for malicious actors. The vulnerability specifically targets the certificate verification process that should establish trust between the mobile application and remote servers, allowing attackers to exploit this weakness in the cryptographic security infrastructure. The flaw manifests when the application accepts any certificate without proper validation, effectively bypassing the essential security controls designed to prevent unauthorized access to sensitive data.
The technical implementation of this vulnerability lies in the application's improper handling of SSL/TLS connections, where it fails to perform certificate chain validation or hostname verification. This insecure programming practice directly violates established security protocols and standards, as the application should validate certificate signatures, check certificate expiration dates, and verify that the certificate is issued to the actual server host. The vulnerability creates a man-in-the-middle attack surface where adversaries can intercept communications and present forged certificates that the application accepts without question, effectively compromising the confidentiality and integrity of data transmitted between the mobile device and remote servers. According to CWE guidelines, this represents a classic implementation weakness in cryptographic practices, specifically categorized under improper certificate validation.
The operational impact of this vulnerability extends beyond simple data interception, as it allows attackers to gain access to sensitive information that should remain protected through secure communication channels. Mobile applications that rely on SSL/TLS encryption for protecting user data, authentication tokens, or confidential communications become particularly vulnerable when they fail to validate server certificates properly. The implications include potential exposure of user credentials, personal information, financial data, or proprietary business information that flows through the compromised application. Attackers can exploit this vulnerability to perform session hijacking, inject malicious content, or redirect users to fraudulent services while maintaining the appearance of legitimate communication, making detection particularly challenging for end users and security monitoring systems.
Mitigation strategies for this vulnerability require immediate implementation of proper certificate validation mechanisms within the application's network communication layer. Security practitioners should ensure that all SSL/TLS connections perform comprehensive certificate verification including chain of trust validation, hostname matching, and expiration date checks. The application should implement certificate pinning where possible, storing trusted certificate fingerprints or public keys to prevent acceptance of fraudulent certificates even if they are cryptographically valid. Additionally, developers must follow industry best practices for mobile security, including adherence to OWASP Mobile Security Project guidelines and secure coding standards that emphasize proper cryptographic implementation. Regular security audits and penetration testing should be conducted to verify that certificate validation mechanisms remain robust against evolving attack techniques, while the application should also implement proper error handling to alert users when certificate validation fails, though the primary defense remains the correct implementation of certificate verification processes.