CVE-2014-5792 in Reign of Dragons: Build-Battle
Summary
by MITRE
The Reign of Dragons: Build-Battle (aka net.gree.android.pf.greeapp57501) application 2.4.2 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-2014-5792 affects the Reign of Dragons: Build-Battle Android application version 2.4.2, representing a critical security flaw in the application's SSL certificate verification mechanism. This weakness resides in the application's implementation of secure communication protocols, specifically within its handling of X.509 certificates during SSL/TLS connections to remote servers. The vulnerability stems from the application's failure to properly validate server certificates, creating an exploitable condition that undermines the fundamental security assurances provided by SSL/TLS encryption. This flaw directly violates established security practices for mobile application development and network communication security.
The technical nature of this vulnerability can be categorized under CWE-295, which specifically addresses "Improper Certificate Validation" in security protocols. The application's codebase appears to implement a trust-on-first-use approach or completely bypasses certificate validation entirely, allowing any certificate to be accepted regardless of its authenticity or trust chain. This creates a man-in-the-middle attack vector where malicious actors can intercept communications between the mobile application and its backend servers. The vulnerability operates at the transport layer security level, affecting how the application establishes secure connections and validates server identities during the SSL handshake process.
From an operational perspective, this vulnerability exposes users to significant risk of data interception and manipulation. Attackers can create malicious certificates that appear legitimate to the vulnerable application, enabling them to decrypt and potentially alter sensitive information transmitted between the mobile device and application servers. This includes user credentials, personal information, in-game data, and potentially financial transactions if applicable. The impact extends beyond simple data theft to potential account compromise, session hijacking, and unauthorized access to user accounts within the application ecosystem. The vulnerability affects all users of the specific application version, regardless of their device configuration or network environment, making it particularly concerning for widespread exploitation.
Security mitigations for this vulnerability require immediate remediation through proper certificate validation implementation. The application must be updated to enforce strict certificate chain validation, including checking certificate signatures, expiration dates, and trust relationships with recognized certificate authorities. Implementing certificate pinning techniques can provide additional protection against rogue certificates. Organizations should also consider deploying network-level security controls such as SSL inspection and monitoring to detect potential exploitation attempts. The remediation process should follow industry standards including owasp mobile top 10 guidelines and nist cybersecurity framework recommendations for secure mobile application development. Regular security assessments and penetration testing should be conducted to ensure proper implementation of secure communication protocols and prevent similar vulnerabilities from being introduced in future versions.