CVE-2014-6829 in Hook
Summary
by MITRE
The Hook (aka com.hook.android) application 0.9.3 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.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 09/18/2024
The vulnerability identified as CVE-2014-6829 represents a critical security flaw in the Hook Android application version 0.9.3 that fundamentally undermines the integrity of secure communications. This issue stems from the application's failure to properly validate SSL/TLS certificates, creating a significant attack vector for malicious actors who can exploit this weakness to establish fraudulent connections with users. The vulnerability specifically affects the certificate verification process within the application's network communication stack, where it accepts any certificate presented by a server without performing the essential X.509 certificate validation checks that are standard practice in secure mobile applications. This flaw directly violates fundamental security principles that govern secure communication protocols and exposes users to severe risks including data interception, unauthorized access to sensitive information, and potential identity theft through sophisticated man-in-the-middle attacks.
The technical implementation of this vulnerability manifests as a complete absence of certificate pinning or proper trust chain validation within the application's SSL handling mechanisms. When the Hook application establishes connections to remote servers, it does not perform the necessary cryptographic verification steps that would normally include checking certificate signatures against trusted Certificate Authorities, validating certificate expiration dates, and ensuring proper certificate subject names match the target server. This absence of verification creates a scenario where attackers can generate malicious certificates that appear legitimate to the application, allowing them to intercept and manipulate all data transmitted between the user's device and the targeted servers. The vulnerability falls under the CWE-295 category of "Improper Certificate Validation" which specifically addresses the failure to properly validate X.509 certificates, making this a well-documented and widely recognized security weakness in mobile application development practices. From an operational perspective, this vulnerability enables attackers to execute sophisticated attacks such as SSL stripping, certificate substitution, and full network traffic interception, which can lead to the compromise of user credentials, personal data, financial information, and other sensitive communications.
The impact of this vulnerability extends beyond simple data exposure to encompass broader security implications that affect user trust and application integrity. Mobile applications that fail to properly validate SSL certificates create an environment where attackers can seamlessly impersonate legitimate services without detection, potentially leading to widespread compromise across multiple user accounts and sensitive data repositories. This vulnerability aligns with several techniques documented in the MITRE ATT&CK framework under the T1046 category of "Network Service Scanning' and T1566 for 'Phishing' and 'Credential Access' tactics, as it enables attackers to establish fraudulent connections that can be used to harvest user credentials and sensitive information. Organizations and users relying on the Hook application would face significant risks including unauthorized access to personal information, potential financial fraud, and the compromise of business-critical communications. The vulnerability demonstrates a fundamental lack of secure coding practices and proper security architecture in the mobile application development lifecycle, particularly in the areas of network security implementation and certificate management. Remediation efforts should focus on implementing proper certificate validation mechanisms, including certificate pinning, trust store validation, and regular security audits of network communication components to prevent similar vulnerabilities from occurring in future releases.
The security implications of CVE-2014-6829 underscore the critical importance of proper certificate validation in mobile application security and highlight the potential consequences of inadequate security implementation in widely-used applications. This vulnerability serves as a stark reminder of the need for comprehensive security testing, proper implementation of cryptographic protocols, and adherence to industry best practices in mobile application development. The flaw represents a classic example of how a single missing security control can expose users to significant risks, emphasizing the necessity of robust security measures throughout the application development lifecycle. Organizations should prioritize the immediate remediation of this vulnerability through certificate validation implementation and consider implementing additional security controls such as certificate pinning to prevent similar issues from affecting other applications in their ecosystem.