CVE-2014-5804 in Mail.Ru Dating
Summary
by MITRE
The Mail.Ru Dating (aka ru.mail.love) application 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 • 09/01/2024
The vulnerability identified as CVE-2014-5804 affects the Mail.Ru Dating application version 3 for Android devices, representing a critical security flaw in the application's cryptographic implementation. This weakness stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack surface that adversaries can exploit to compromise user data integrity and confidentiality. The vulnerability specifically impacts the application's secure communication protocols, leaving users exposed to sophisticated man-in-the-middle attacks that can intercept and manipulate sensitive information transmitted between the mobile application and remote servers.
This security flaw constitutes a fundamental breakdown in the application's certificate validation mechanism, which should normally verify the authenticity and trustworthiness of SSL/TLS certificates presented by remote servers. The absence of proper certificate verification allows attackers to present fraudulent certificates that appear legitimate to the vulnerable application, enabling them to establish fake secure connections. This weakness directly maps to CWE-295, which addresses improper certificate validation in security protocols, and represents a critical failure in the application's trust model that undermines the entire SSL/TLS security framework. The vulnerability operates at the transport layer security level, where the application should be enforcing strict certificate chain validation to prevent certificate forgery attacks.
The operational impact of this vulnerability extends beyond simple data interception, as it creates opportunities for attackers to manipulate communication content and potentially access sensitive user information including personal details, messages, and other private data exchanged through the dating application. Mobile users connecting to the Mail.Ru Dating service over potentially unsecured networks become particularly vulnerable to this attack vector, as the application's failure to validate certificates means that even connections over public Wi-Fi networks can be compromised. The attack scenario involves an adversary positioned between the user's device and the application's servers, capable of presenting a forged certificate that the vulnerable application will accept without proper verification, thereby enabling data theft and potential identity impersonation.
Mitigation strategies for this vulnerability require immediate implementation of proper certificate validation mechanisms within the application's network communication stack. Developers should implement strict certificate pinning practices, ensuring that the application only accepts certificates from trusted Certificate Authorities and validates certificate chains against established trust roots. The solution must include comprehensive certificate validation routines that check certificate expiration dates, verify certificate signatures, and ensure proper certificate chain construction. Security measures should align with industry best practices outlined in the OWASP Mobile Security Project recommendations for secure communication and should incorporate defense-in-depth strategies that include network monitoring and anomaly detection to identify potential certificate validation bypass attempts. Additionally, the application should implement automatic updates to ensure that certificate validation mechanisms remain current with evolving security standards and threat landscapes.