CVE-2014-6703 in phonearabs4
Summary
by MITRE
The phonearabs4 (aka com.phonearabs4.myapps) application 1.4 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-2014-6703 affects the phonearabs4 Android application version 1.4, specifically targeting its implementation of secure communication protocols. This flaw represents a critical security weakness in the application's certificate validation mechanism, creating an exploitable condition that undermines the integrity of encrypted communications between the mobile client and remote servers. The application fails to properly validate X.509 certificates, which are essential cryptographic objects used to establish trust in SSL/TLS connections and verify the identity of servers. This failure creates a significant attack surface that malicious actors can exploit to compromise the confidentiality and integrity of data transmitted through the application.
The technical flaw manifests in the application's inability to perform proper certificate chain validation and trust verification processes. When establishing SSL connections, the application should validate certificate signatures, check certificate expiration dates, verify certificate authorities, and ensure proper hostname matching. However, the phonearabs4 application bypasses these essential security checks, allowing attackers to present fraudulent certificates that appear legitimate to the client application. This vulnerability directly relates to CWE-295, which addresses improper certificate validation in secure communications, and falls under the broader category of weak cryptographic implementations that fail to maintain proper security controls. The flaw essentially creates a trust relationship that can be easily manipulated by adversaries who possess the ability to intercept network traffic and present forged certificates.
The operational impact of this vulnerability extends beyond simple data interception, as it enables sophisticated man-in-the-middle attacks that can compromise sensitive user information and system integrity. Attackers can exploit this weakness to eavesdrop on communications, inject malicious content, redirect users to fraudulent websites, or extract personal data such as login credentials, financial information, or private communications. The vulnerability particularly affects users who rely on the application for sensitive transactions or data handling, as the lack of certificate verification means that any data transmitted could be compromised without detection. This weakness also aligns with ATT&CK technique T1041, which describes data compression and encryption techniques that can be exploited to bypass security controls, and represents a fundamental failure in the application's security architecture that undermines user trust and data protection mechanisms.
Organizations and users should immediately implement mitigations including updating to the latest version of the application if available, implementing network-level monitoring to detect suspicious certificate behavior, and considering the deployment of additional security controls such as network segmentation or proxy solutions that can validate SSL certificates independently of the application. The vulnerability also highlights the importance of proper security testing during application development, particularly around cryptographic implementation and secure communication protocols. Security teams should conduct thorough vulnerability assessments to identify similar issues in other applications and ensure that certificate validation is properly implemented across all mobile and web applications. Additionally, implementing certificate pinning mechanisms and regular security audits can help prevent similar vulnerabilities from occurring in future deployments, as this issue demonstrates the critical importance of maintaining robust cryptographic security practices in mobile application development and deployment environments.