CVE-2014-7648 in SMARTalk
Summary
by MITRE
The SMARTalk (aka jp.co.fusioncom.smartalk.android) application 1.1 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 • 10/14/2024
The vulnerability identified as CVE-2014-7648 affects the SMARTalk Android application version 1.1, representing a critical security flaw in the application's SSL/TLS certificate validation mechanism. This weakness falls under the broader category of insecure cryptographic implementation practices that have significant implications for mobile application security. The vulnerability is particularly concerning as it directly impacts the application's ability to establish secure communication channels with backend servers, creating a pathway for malicious actors to compromise user data integrity and confidentiality.
The technical flaw manifests in the application's failure to properly validate X.509 certificates during SSL/TLS handshakes, which constitutes a fundamental breakdown in the security architecture designed to protect communications between mobile clients and servers. This certificate verification bypass allows attackers to perform man-in-the-middle attacks by presenting fraudulent certificates that the application accepts without proper validation. The vulnerability stems from the application's implementation of SSL/TLS connections that rely on default or minimal certificate validation procedures rather than robust certificate chain verification mechanisms. This flaw aligns with CWE-295, which specifically addresses improper certificate validation in security protocols, and represents a classic example of insufficient transport layer security implementation.
The operational impact of this vulnerability extends beyond simple data interception, as it enables attackers to not only eavesdrop on communications but also to actively modify data in transit and impersonate legitimate servers. Mobile applications that rely on secure communication channels for user authentication, data synchronization, and transaction processing become particularly vulnerable when they fail to validate server certificates. The implications are especially severe for applications handling sensitive user information such as personal data, financial details, or authentication credentials. This vulnerability creates an attack surface that can be exploited across various network environments and can potentially lead to account compromise, data theft, and unauthorized access to backend systems that the application interacts with.
Organizations and developers should implement comprehensive mitigations to address this vulnerability by ensuring that all SSL/TLS connections in mobile applications perform proper certificate validation including chain of trust verification, hostname matching, and certificate expiration checks. The recommended approach involves implementing robust certificate pinning mechanisms that validate certificates against known good certificates or public key fingerprints, rather than relying solely on the default certificate validation procedures provided by the underlying platform. Additionally, developers should consider implementing certificate transparency checks and regularly audit their SSL/TLS implementations to ensure compliance with industry best practices. This vulnerability demonstrates the critical importance of adhering to security standards such as those outlined in the OWASP Mobile Security Project and the NIST Cybersecurity Framework, which emphasize the necessity of proper cryptographic implementation in mobile applications. The remediation efforts should also include regular security assessments and penetration testing to identify similar vulnerabilities in other applications and systems that may be exposed to similar attack vectors.