CVE-2014-7007 in Master Mix
Summary
by MITRE
The Master Mix (aka com.nobexinc.wls_24832536.rc) application 3.3.5 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 • 09/25/2024
The vulnerability identified as CVE-2014-7007 affects the Master Mix Android application version 3.3.5, specifically targeting its implementation of secure communication protocols. This flaw represents a critical security weakness in the application's handling of encrypted network connections, where the software fails to properly validate server certificates during SSL/TLS handshakes. The vulnerability falls under the category of insufficient certificate verification, a common pattern that exposes applications to various forms of cryptographic attacks and data interception.
The technical flaw stems from the application's failure to implement proper certificate chain validation and trust verification mechanisms. When the Master Mix application establishes connections to remote servers using SSL/TLS encryption, it does not perform the necessary checks to ensure that the server's certificate is issued by a trusted certificate authority and that the certificate matches the server's identity. This omission creates a dangerous trust boundary where the application accepts any certificate presented by a server, regardless of its legitimacy or authenticity. The vulnerability is particularly concerning because it allows attackers to exploit the trust relationship between client and server, enabling them to establish fraudulent connections without proper authentication.
The operational impact of this vulnerability is significant, as it provides man-in-the-middle attackers with the capability to intercept and manipulate communications between the vulnerable application and its remote servers. Attackers can craft malicious certificates that appear legitimate to the application, allowing them to impersonate trusted servers and gain access to sensitive information transmitted through the application. This includes personal data, login credentials, financial information, and other confidential content that users expect to be protected through secure communication channels. The vulnerability essentially undermines the fundamental security guarantees provided by SSL/TLS encryption, rendering the application's network communications vulnerable to eavesdropping and data manipulation.
From a cybersecurity perspective, this vulnerability aligns with CWE-295, which addresses improper certificate validation, and represents a classic example of trust management failures in mobile applications. The attack vector described in the vulnerability matches patterns commonly seen in the MITRE ATT&CK framework under the technique of "T1046 - Network Service Scanning" and "T1566 - Phishing," as attackers can leverage this weakness to establish unauthorized communication channels. The vulnerability also relates to the broader category of "Weak Cryptographic Key Usage" and "Insecure Communication Protocols" that are frequently exploited in mobile application attacks. Organizations should implement immediate mitigations including certificate pinning, proper SSL/TLS configuration, and regular security assessments to address this weakness and prevent exploitation.
The remediation approach for this vulnerability requires comprehensive code review and implementation of proper certificate validation mechanisms. Application developers must ensure that all SSL/TLS connections perform thorough certificate chain validation, including checking certificate expiration dates, verifying certificate authority trust, and ensuring hostname matching. The implementation should follow established security guidelines from organizations such as NIST and OWASP, incorporating certificate pinning where appropriate to prevent the acceptance of unauthorized certificates. Additionally, regular security testing including penetration testing and vulnerability scanning should be conducted to identify and remediate similar issues in the application's network communication components.