CVE-2014-6008 in Blitz Bingo
Summary
by MITRE
The Blitz Bingo (aka com.appMobi.sbbingo.app) application 2.3 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-2014-6008 affects the Blitz Bingo Android application version 2.3, specifically targeting its implementation of secure communication protocols. This flaw represents a critical weakness in the application's cryptographic security infrastructure, where the software fails to properly validate SSL/TLS certificates presented by remote servers. The issue stems from the application's inadequate certificate verification mechanisms, creating a pathway for malicious actors to exploit the trust relationship between the client and server components. Such a vulnerability fundamentally undermines the security assurances that SSL/TLS protocols are designed to provide.
The technical implementation flaw manifests in the application's failure to perform proper X.509 certificate validation during SSL handshakes. This weakness allows attackers to present fraudulent certificates that appear legitimate to the application, enabling them to establish fraudulent connections without triggering any security warnings. The vulnerability specifically affects the certificate chain validation process, where the application does not properly verify certificate authorities, expiration dates, or domain name matches. This type of implementation error falls under the broader category of cryptographic weakness vulnerabilities as classified by CWE-310, which encompasses failures in cryptographic implementations that can lead to security breaches.
The operational impact of this vulnerability is severe and multifaceted, creating multiple attack vectors for man-in-the-middle adversaries. Attackers can exploit this weakness to intercept and modify communications between the mobile application and its backend services, potentially accessing sensitive user data including personal information, financial details, and authentication credentials. The vulnerability affects the confidentiality and integrity of data transmitted through the application, as the security model assumes that all communications are protected by valid SSL certificates. This weakness particularly impacts mobile applications that handle sensitive user information, making the affected application susceptible to data exfiltration and session hijacking attacks.
This vulnerability aligns with several ATT&CK framework techniques including T1046 for network service scanning and T1566 for phishing attacks, as the compromised application can serve as a delivery mechanism for further attacks. The lack of certificate validation creates an environment where attackers can establish persistent connections with malicious servers while maintaining the appearance of legitimate communication. From a compliance perspective, this vulnerability would likely violate standards such as PCI DSS requirements for secure communications and HIPAA regulations for protected health information handling. Organizations deploying mobile applications must ensure proper certificate validation mechanisms are implemented to prevent such security gaps that could lead to significant data breaches and regulatory penalties.
The recommended mitigations include implementing proper certificate pinning mechanisms, ensuring all SSL/TLS certificate validations are performed according to industry standards, and regularly updating cryptographic libraries. Developers should adopt secure coding practices that enforce strict certificate validation, including checking certificate authorities, expiration dates, and subject alternative names. Additionally, implementing certificate transparency measures and monitoring for certificate anomalies can help detect potential exploitation attempts. The vulnerability demonstrates the critical importance of cryptographic implementation review and testing, particularly for mobile applications handling sensitive data, as even minor implementation flaws can create significant security risks that compromise user privacy and organizational security posture.