CVE-2014-7733 in Karaf Magazin
Summary
by MITRE
The Karaf Magazin (aka com.magzter.karafmagazin) application 3.0 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 • 10/16/2024
The vulnerability identified as CVE-2014-7733 affects the Karaf Magazin Android application version 3.0, representing a critical security flaw in the application's implementation of secure communication protocols. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack surface that malicious actors can exploit to compromise user data and system integrity. The vulnerability specifically targets the certificate verification process, which is fundamental to establishing trust in secure communications between mobile applications and remote servers.
The technical flaw manifests in the application's inability to perform proper certificate chain validation and hostname verification during SSL handshakes. When an Android application establishes secure connections to remote servers, it should verify that the server's certificate is issued by a trusted certificate authority and that the certificate's hostname matches the server being accessed. The Karaf Magazin application bypasses these critical security checks, allowing attackers to present malicious certificates that appear legitimate to the application. This weakness directly violates established security protocols and creates an environment where man-in-the-middle attacks can succeed without detection, as the application accepts any certificate regardless of its authenticity or trustworthiness.
The operational impact of this vulnerability is severe and multifaceted, affecting both user privacy and data integrity. Attackers can exploit this flaw to intercept sensitive information transmitted between the application and servers, including user credentials, personal data, payment information, and other confidential content. The vulnerability enables attackers to create fake server certificates that the application accepts, allowing them to decrypt and modify communications in transit. This capability undermines the fundamental security guarantees that users expect from secure mobile applications and can lead to identity theft, financial fraud, and unauthorized access to personal accounts. The vulnerability affects all users of the affected application version, making it a widespread security concern that could impact thousands of individuals.
From a cybersecurity perspective, this vulnerability aligns with CWE-295, which addresses "Improper Certificate Validation," and represents a clear violation of secure coding practices. The flaw also maps to ATT&CK technique T1041, which involves data compression and encryption, as the vulnerability enables attackers to manipulate encrypted communications. The vulnerability demonstrates a critical failure in the application's security architecture and highlights the importance of implementing proper certificate validation mechanisms. Organizations and developers should implement certificate pinning, proper certificate chain validation, and hostname verification to prevent similar issues. The recommended mitigation involves updating the application to properly validate SSL certificates, implementing certificate pinning where appropriate, and ensuring that all network communications include proper authentication and encryption verification. This vulnerability serves as a reminder of the critical importance of secure communication protocols in mobile applications and the potential consequences of inadequate security implementation.