CVE-2014-7798 in Coca-Cola FM Brasil
Summary
by MITRE
The Coca-Cola FM Brasil (aka com.enyetech.radio.coca_cola.fm_br) application 2.0.41709 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 • 10/19/2024
The vulnerability identified as CVE-2014-7798 affects the Coca-Cola FM Brasil Android application version 2.0.41709, representing a critical security flaw in the application's secure communication implementation. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack surface that compromises the integrity of network communications. The vulnerability specifically impacts the application's ability to establish trust with remote servers, leaving users exposed to sophisticated man-in-the-middle attacks that can intercept and manipulate sensitive data transmitted between the mobile device and Coca-Cola's servers.
The technical flaw manifests as a missing certificate verification mechanism within the application's SSL implementation, which falls under CWE-295 - Improper Certificate Validation. This weakness allows attackers to present forged SSL certificates that appear legitimate to the application, enabling them to establish connections with the mobile device while remaining undetected. The application's failure to validate certificate chains, expiration dates, and issuer information creates a pathway for attackers to impersonate Coca-Cola's legitimate servers and redirect traffic through malicious intermediaries. This vulnerability directly violates industry standards for secure communication protocols and represents a fundamental failure in the application's security architecture.
The operational impact of this vulnerability extends beyond simple data interception, as it enables comprehensive attack scenarios that can compromise user privacy and application integrity. Attackers can leverage this weakness to steal user credentials, session tokens, personal information, and potentially manipulate application functionality. The implications are particularly severe given that the application serves as a platform for user engagement with Coca-Cola's services, potentially exposing sensitive user data including location information, personal preferences, and communication patterns. This vulnerability undermines the fundamental security assurances that users expect when interacting with mobile applications, creating a persistent risk that can be exploited across multiple sessions and user interactions.
Mitigation strategies for CVE-2014-7798 require immediate implementation of proper certificate validation mechanisms within the application's SSL stack. Organizations should implement certificate pinning techniques to ensure that the application only accepts specific, trusted certificates from Coca-Cola's servers, preventing attackers from using forged certificates. The solution must include comprehensive certificate chain validation, proper expiration date checking, and verification of certificate issuers against trusted Certificate Authorities. Additionally, implementing robust security monitoring and logging capabilities will help detect potential exploitation attempts and provide early warning of security incidents. This vulnerability aligns with ATT&CK technique T1041 - Exfiltration Over C2 Channel, as it enables attackers to establish covert communication channels for data exfiltration, making it essential for security teams to address this weakness through both code-level fixes and operational security improvements. The remediation process should include thorough code review, security testing, and implementation of industry-standard secure coding practices to prevent similar vulnerabilities in future application releases.