CVE-2014-5588 in Free eBooks
Summary
by MITRE
The Free eBooks (aka com.bmfapps.freekindlebooks) application 14 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-2014-5588 affects the Free eBooks application version 14 for Android platforms, representing a critical security flaw in the application's SSL/TLS certificate validation mechanism. This weakness stems from the application's failure to properly verify X.509 certificates presented by SSL servers during secure communications, creating a significant attack surface that adversaries can exploit to compromise user data and system integrity. The flaw directly impacts the application's ability to establish trust with legitimate servers while simultaneously enabling malicious actors to impersonate authorized services.
The technical implementation of this vulnerability resides in the application's network security architecture where SSL/TLS certificate verification is either completely omitted or inadequately implemented. When the Free eBooks application establishes secure connections to remote servers, it should validate the presented X.509 certificates against trusted certificate authorities to ensure the authenticity and integrity of the communication endpoint. However, this validation process is absent or flawed, allowing attackers to present malicious certificates that the application accepts without proper scrutiny. This behavior violates fundamental security principles of secure communication and creates an environment where man-in-the-middle attacks can succeed without detection.
From an operational perspective, this vulnerability exposes users to significant risks including data interception, credential theft, and unauthorized access to sensitive information. Attackers can exploit this weakness by setting up rogue servers that present forged certificates to the vulnerable application, potentially capturing user credentials, personal information, or other confidential data transmitted through the application's network connections. The impact extends beyond individual user privacy concerns to potential corporate data breaches, especially if the application is used in enterprise environments where sensitive business information might be accessed through the same vulnerable communication channels. This vulnerability specifically aligns with CWE-295, which addresses improper certificate validation in secure communications, and represents a clear violation of the principle of certificate pinning and validation that is fundamental to secure mobile application development.
The exploitation of this vulnerability can be facilitated through various attack vectors that leverage the application's trust model weakness. Adversaries can deploy rogue Wi-Fi access points, manipulate DNS records, or utilize network interception tools to present forged certificates that the application accepts as legitimate. This makes the vulnerability particularly dangerous in public network environments where users may be more susceptible to such attacks. The attack surface is further expanded when considering that the vulnerability affects a mobile application, which typically operates in less controlled network environments where network security measures may be insufficient or absent. Mitigation strategies should include implementing proper certificate validation mechanisms, incorporating certificate pinning techniques, and ensuring that all SSL/TLS communications are properly verified against trusted certificate authorities. Organizations should also consider implementing network monitoring solutions to detect anomalous certificate behavior and establish secure communication protocols that align with industry standards such as those defined in the OWASP Mobile Security Project and NIST guidelines for mobile application security. The vulnerability demonstrates the critical importance of proper cryptographic implementation in mobile applications and serves as a reminder of the potential consequences when fundamental security controls are omitted or inadequately implemented in mobile software development processes.