CVE-2014-5811 in Cloud Meetings
Summary
by MITRE
The ZOOM Cloud Meetings (aka us.zoom.videomeetings) application @7F060008 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 • 09/02/2024
The vulnerability identified as CVE-2014-5811 affects the ZOOM Cloud Meetings Android application version 7F060008, presenting a critical security flaw in the application's handling of secure communications. This issue stems from the application's failure to properly validate X.509 certificates during SSL/TLS connections, creating a significant attack surface that adversaries can exploit to compromise user data and system integrity. The vulnerability specifically impacts the application's certificate verification process, which is a fundamental security control designed to ensure that communications occur with legitimate servers rather than malicious intermediaries.
The technical flaw manifests in the application's implementation of SSL/TLS certificate validation, where the Android application fails to properly verify the authenticity of server certificates presented during secure connections. This weakness allows attackers to perform man-in-the-middle attacks by presenting crafted certificates that appear legitimate to the vulnerable application. The absence of proper certificate pinning or validation mechanisms means that the application accepts certificates without sufficient cryptographic verification, potentially accepting self-signed certificates, expired certificates, or certificates issued by untrusted certificate authorities. This flaw directly violates standard security practices for secure communications and represents a failure in the application's cryptographic implementation that aligns with CWE-295, which specifically addresses improper certificate validation.
The operational impact of this vulnerability extends beyond simple data interception, as it enables sophisticated attack scenarios that can compromise user privacy and organizational security. Attackers can exploit this weakness to eavesdrop on sensitive communications, steal login credentials, access confidential meeting data, or even manipulate meeting participants' interactions. The vulnerability affects all users of the affected Android application version, creating a widespread security risk that could be exploited in various attack scenarios including public Wi-Fi network interception, corporate network breaches, or targeted attacks against specific users. The implications are particularly severe for organizations using ZOOM for business meetings, as this vulnerability could lead to intellectual property theft, competitive intelligence gathering, or disruption of critical business communications.
Organizations and users should implement immediate mitigations to address this vulnerability, including updating to patched versions of the ZOOM application when available, implementing network-level security controls such as SSL inspection with proper certificate validation, and monitoring for suspicious network traffic patterns that might indicate exploitation attempts. Security professionals should also consider implementing network segmentation, enhanced monitoring of SSL/TLS traffic, and regular security assessments to identify potential exploitation of similar vulnerabilities. The vulnerability demonstrates the critical importance of proper certificate validation in mobile applications and aligns with ATT&CK technique T1041, which covers data compression and encryption for exfiltration, as attackers could use this vulnerability to intercept and exfiltrate sensitive meeting data. Additionally, this issue highlights the necessity of implementing certificate pinning mechanisms and proper cryptographic hygiene in mobile application development, as recommended by industry standards and best practices for secure mobile application design.