CVE-2014-6966 in West Bend School District
Summary
by MITRE
The West Bend School District (aka net.parentlink.westbend) application 4.0.500 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 • 09/24/2024
The vulnerability identified as CVE-2014-6966 affects the West Bend School District mobile application version 4.0.500 for Android devices, 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 compromises the integrity of data transmission between the mobile client and remote servers. The vulnerability specifically targets the certificate verification process that should occur during secure socket layer negotiations, where the application neglects to perform proper certificate chain validation and trust verification.
The technical flaw manifests as a missing certificate validation mechanism that should normally verify the authenticity of SSL servers through established cryptographic means. When an Android application establishes a secure connection to a server, it should validate the server's X.509 certificate against trusted certificate authorities and ensure the certificate's validity period, subject names, and cryptographic signatures are properly verified. In this case, the West Bend application bypasses these critical security checks, allowing any malicious actor with access to a crafted certificate to establish a man-in-the-middle position in communications. This weakness directly violates fundamental security principles of secure communication and can be classified under CWE-295 which specifically addresses improper certificate validation.
The operational impact of this vulnerability extends beyond simple data interception, as it enables sophisticated attackers to completely compromise the confidentiality and integrity of sensitive information transmitted through the application. Mobile users of the West Bend School District application may unknowingly transmit personal information, educational data, or administrative details to servers that appear legitimate but are actually controlled by malicious parties. The vulnerability is particularly concerning for educational environments where sensitive student data, parent information, and institutional communications are frequently transmitted over potentially unsecured networks, making the attack surface particularly attractive to threat actors targeting educational institutions.
From a threat modeling perspective, this vulnerability aligns with several ATT&CK techniques including T1041, where adversaries use man-in-the-middle attacks to intercept and potentially modify communications, and T1566 which covers social engineering attacks that could leverage this weakness to establish trust with users. The vulnerability's exploitation requires minimal technical expertise, as attackers only need to generate a valid certificate that appears to match the target server's domain name, then position themselves between the user and the legitimate server to intercept and manipulate communications. Organizations should implement immediate mitigations including updating the application to a version that properly validates certificates, implementing network-level monitoring to detect unusual certificate patterns, and establishing proper certificate pinning mechanisms. The vulnerability demonstrates the critical importance of maintaining secure coding practices and proper cryptographic implementation, particularly in applications handling sensitive data in educational environments where security awareness among end users may be limited.