CVE-2014-6638 in wTMDesktop
Summary
by MITRE
The wTMDesktop (aka com.wTMDesktop) application 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 • 09/11/2024
The vulnerability identified as CVE-2014-6638 affects the wTMDesktop Android application, specifically targeting its implementation of secure communication protocols. This flaw represents a critical security weakness in the application's certificate validation mechanism, creating an exploitable gap in the cryptographic security framework that protects user data during transmission. The vulnerability resides in the application's failure to properly validate X.509 certificates, which are fundamental components of the Transport Layer Security protocol that ensures secure communication between client and server.
The technical flaw manifests as an insufficient certificate verification process that allows malicious actors to perform man-in-the-middle attacks by presenting forged certificates that appear legitimate to the vulnerable application. This weakness directly violates established security protocols and standards, as the application fails to perform the essential validation steps required to ensure certificate authenticity. The vulnerability operates at the SSL/TLS layer where certificate chains should be verified against trusted certificate authorities, but instead accepts any certificate presented by an attacker, thereby undermining the entire cryptographic security model.
From an operational impact perspective, this vulnerability exposes users to significant risks including data interception, credential theft, and unauthorized access to sensitive information. Attackers can exploit this weakness to establish fraudulent connections with users' devices, potentially capturing login credentials, personal data, or financial information transmitted through the compromised application. The vulnerability affects the confidentiality and integrity of communications, as the application cannot guarantee that it is communicating with legitimate servers rather than malicious intermediaries. This creates a persistent threat vector that remains active as long as the vulnerable application is installed on affected devices.
The security implications extend beyond immediate data compromise, as this vulnerability aligns with multiple ATT&CK techniques including T1041 for Exfiltration Over C2 Channel and T1566 for Phishing. The weakness also corresponds to CWE-295 which specifically addresses "Improper Certificate Validation" and represents a failure to implement proper certificate pinning or validation mechanisms. Organizations should implement immediate mitigations including updating to patched versions of the application, implementing network-level monitoring to detect suspicious certificate behavior, and educating users about the risks of installing untrusted applications. Additionally, security teams should consider implementing certificate transparency monitoring and network segmentation to limit the potential impact of such vulnerabilities in enterprise environments. The vulnerability serves as a reminder of the critical importance of proper cryptographic implementation and the severe consequences that can arise from inadequate certificate validation in mobile applications.