CVE-2014-6927 in Housing : mmHome
Summary
by MITRE
The Myanmar Housing : mmHome (aka com.mmhome3) application 1.3 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 • 09/22/2024
The vulnerability identified as CVE-2014-6927 affects the mmHome application version 1.3 for Android devices, representing a critical security flaw in the application's implementation of secure communication protocols. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack vector that undermines the fundamental security assurances typically provided by secure communication channels. The vulnerability specifically targets the certificate verification process, which is a cornerstone of public key infrastructure and secure web communications.
The technical flaw manifests as a complete absence of certificate validation within the application's SSL implementation, allowing attackers to perform man-in-the-middle attacks by presenting fraudulent certificates that appear legitimate to the vulnerable application. This weakness directly violates standard security practices and industry guidelines such as those outlined in CWE-295, which addresses improper certificate validation in secure communications. The vulnerability operates at the transport layer security level, where applications should enforce certificate pinning or proper certificate chain validation to ensure that communications originate from legitimate servers and that data integrity is maintained throughout the transmission process.
The operational impact of this vulnerability is severe and multifaceted, as it enables attackers to intercept and potentially modify sensitive data transmitted between the mobile application and its backend servers. Mobile applications that rely on secure communication channels for user authentication, financial transactions, personal data handling, or confidential business operations become particularly vulnerable to exploitation. Attackers can leverage this weakness to capture login credentials, personal information, financial data, or any other sensitive content that the application transmits over network connections, effectively bypassing the security mechanisms that SSL/TLS protocols are designed to provide.
Mitigation strategies for this vulnerability require immediate implementation of proper certificate validation mechanisms within the application's network communication stack. The recommended approach involves implementing certificate pinning, where the application explicitly trusts specific certificate authorities or certificate fingerprints rather than relying on the default trust store. Additionally, developers should ensure that the application validates certificate chains against trusted root certificates and implements proper hostname verification to prevent certificate spoofing attacks. According to ATT&CK framework category T1046, this vulnerability represents a network service detection technique that can be exploited to establish persistent access to mobile applications, making it essential for organizations to address this issue through comprehensive code review and security testing practices. The fix should also include implementing robust error handling for SSL/TLS connection failures and ensuring that all network communications are properly secured through updated security libraries and frameworks that enforce certificate validation as a mandatory requirement.