CVE-2014-5702 in Penguin Run
Summary
by MITRE
The Penguin Run (aka com.skyboard.google.penguinRun) application 1.1 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 • 08/29/2024
The vulnerability identified as CVE-2014-5702 affects the Penguin Run Android application version 1.1, specifically targeting its implementation of secure communication protocols. This flaw represents a critical security weakness in the application's certificate validation mechanism, which is fundamental to establishing trust in cryptographic communications. The application fails to properly validate X.509 certificates presented by SSL servers, creating a significant exposure that undermines the entire purpose of Transport Layer Security encryption.
The technical implementation flaw resides in the application's failure to perform proper certificate chain validation and trust verification. When the application establishes SSL connections to remote servers, it does not validate the certificate against trusted certificate authorities or perform the necessary checks to ensure the certificate's authenticity and integrity. This omission allows attackers to create fraudulent certificates that the application will accept as legitimate, effectively bypassing the security controls designed to protect user data and communications. The vulnerability specifically relates to the absence of certificate pinning mechanisms and proper certificate verification routines that are essential for secure mobile applications.
The operational impact of this vulnerability is severe, as it enables man-in-the-middle attacks that can compromise sensitive user information transmitted through the application. Attackers can intercept communications between the mobile device and servers, potentially accessing personal data, authentication credentials, or other confidential information. The vulnerability affects the confidentiality and integrity of data in transit, making it particularly dangerous for applications that handle user accounts, financial information, or personal communications. This weakness undermines the trust model that mobile applications rely on for secure communications and exposes users to potential data breaches and identity theft.
Mitigation strategies for this vulnerability should include implementing proper certificate validation procedures that align with industry standards such as those outlined in the OWASP Mobile Security Project and NIST guidelines for mobile application security. The application should incorporate certificate pinning mechanisms to ensure that only specific certificates or certificate authorities are trusted, preventing attackers from using forged certificates. Additionally, developers should implement proper certificate chain validation, including checking certificate expiration dates, verifying certificate signatures, and ensuring certificates are issued by trusted authorities. The fix should also address the underlying architectural issues that allowed this vulnerability to exist, incorporating security best practices from the CWE database category 310 for cryptographic weaknesses and following ATT&CK framework techniques related to credential access and defense evasion through certificate manipulation.