CVE-2014-5639 in ADT Taxis
Summary
by MITRE
The ADT Taxis (aka com.icabbi.adttaxisApp) application 6 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 • 08/27/2024
The vulnerability identified as CVE-2014-5639 affects the ADT Taxis mobile application for Android devices, specifically version 6 of the com.icabbi.adttaxisApp package. This security flaw represents a critical weakness in the application's cryptographic implementation that fundamentally undermines the security of data transmission between the mobile client and remote servers. The issue manifests in the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack surface that malicious actors can exploit to compromise user data and system integrity.
The technical root cause of this vulnerability lies in the application's improper handling of SSL certificate validation mechanisms. When establishing secure connections to backend servers, the application bypasses the standard certificate verification process that should confirm the authenticity of the server's identity through trusted certificate authorities. This flaw allows attackers to present fraudulent certificates that appear legitimate to the application, enabling them to intercept and manipulate encrypted communications. The vulnerability directly maps to CWE-295, which addresses improper certificate validation in security protocols, and represents a classic example of weak cryptographic implementation that violates fundamental security principles.
From an operational perspective, this vulnerability creates severe consequences for both users and service providers. Mobile users who interact with the ADT Taxis application may unknowingly transmit sensitive information including personal identification details, payment information, and location data to malicious servers controlled by attackers. The man-in-the-middle attack vector allows threat actors to not only eavesdrop on communications but also to inject malicious content or alter data in transit, potentially leading to financial fraud, identity theft, or unauthorized access to taxi services. This vulnerability particularly impacts the privacy and security of users who rely on the application for transportation services, as their personal and financial information becomes vulnerable to interception.
The mitigation strategies for this vulnerability require immediate attention from both application developers and security administrators. The primary fix involves implementing proper SSL certificate validation by ensuring the application verifies certificate chains against trusted root certificates and performs hostname verification. Security professionals should implement certificate pinning mechanisms to prevent the application from accepting arbitrary certificates, even from trusted authorities. Additionally, the application should be updated to use modern cryptographic libraries that enforce strict certificate validation procedures. Organizations should also consider implementing network monitoring solutions to detect anomalous certificate behavior and establish incident response procedures for potential exploitation attempts. This vulnerability demonstrates the critical importance of adhering to security standards such as those outlined in the OWASP Mobile Security Project and highlights the necessity of comprehensive security testing for mobile applications before deployment. The attack surface created by this flaw can be exploited through various methods including rogue Wi-Fi networks, DNS spoofing, or compromised intermediate network nodes, making it essential for security teams to implement layered defense mechanisms.