CVE-2014-5578 in Trading 212 FOREX
Summary
by MITRE
The Trading 212 FOREX (aka com.avuscapital.trading212) application before 2.0.9 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 • 08/25/2024
The vulnerability identified as CVE-2014-5578 affects the Trading 212 FOREX mobile application for android systems prior to version 2.0.9. This represents a critical security flaw in the application's implementation of secure communication protocols that directly impacts the integrity and confidentiality of user data transmitted between the mobile client and remote servers. The issue stems from the application's failure to properly validate SSL/TLS certificates during the secure connection establishment process, creating a significant attack surface for malicious actors seeking to intercept or manipulate sensitive financial information.
The technical root cause of this vulnerability lies in the application's improper handling of X.509 certificate validation mechanisms within its SSL/TLS implementation. Specifically, the application fails to perform certificate chain validation, hostname verification, and trust anchor validation that are fundamental requirements for establishing secure communications. This weakness aligns with CWE-295, which addresses the improper certificate validation in security protocols. The vulnerability creates a condition where the application accepts any SSL certificate presented by a server without performing the necessary cryptographic verification steps that ensure the server's identity and the integrity of the communication channel.
From an operational perspective, this vulnerability exposes users to significant risk of man-in-the-middle attacks where attackers can establish fraudulent connections with the Trading 212 application servers. Attackers can generate or obtain malicious certificates that appear legitimate to the vulnerable application, allowing them to intercept, modify, or steal sensitive user data including login credentials, financial transaction details, personal identification information, and trading account access tokens. The impact extends beyond simple data theft to potential financial fraud and unauthorized trading activities that could result in substantial monetary losses for affected users. This vulnerability directly maps to techniques described in the MITRE ATT&CK framework under T1046 for network service scanning and T1566 for credential harvesting through social engineering and network attacks.
The security implications of this vulnerability are particularly severe given that the affected application handles financial trading activities and sensitive personal information. Mobile applications in the financial services sector must implement robust certificate pinning mechanisms and proper SSL/TLS validation to protect against such attacks. The vulnerability demonstrates a fundamental failure in the application's security architecture and highlights the importance of following established security best practices for mobile application development. Organizations should implement certificate pinning, proper certificate validation routines, and regular security assessments to prevent similar issues. The remediation requires updating the application to version 2.0.9 or later, which includes proper SSL/TLS certificate validation mechanisms that enforce certificate chain verification and hostname matching to prevent the acceptance of malicious certificates. Additionally, security teams should conduct comprehensive vulnerability assessments of mobile applications to identify similar certificate validation weaknesses and implement appropriate security controls to protect sensitive data transmission in financial applications.