CVE-2020-4226 in MobileFirst Platform Foundation
Summary
by MITRE
IBM MobileFirst Platform Foundation 8.0.0.0 stores highly sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have access to the URLs via server logs, referrer header or browser history. IBM X-Force ID: 175207.
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Analysis
by VulDB Data Team • 10/19/2020
The vulnerability identified as CVE-2020-4226 affects IBM MobileFirst Platform Foundation version 8.0.0.0 and represents a critical information disclosure weakness that stems from improper handling of sensitive data within web application parameters. This flaw allows malicious actors to potentially extract confidential information by analyzing URL components that contain authentication tokens, session identifiers, or other privileged data. The vulnerability specifically manifests when the platform incorporates sensitive information directly into URL query strings rather than utilizing secure storage mechanisms such as HTTP headers, cookies, or server-side session management. The exposure occurs because URLs are often logged in web server logs, transmitted through referrer headers during navigation, and stored in browser history, creating multiple attack vectors for unauthorized access to the embedded sensitive data.
The technical implementation of this vulnerability aligns with CWE-540, which addresses the inclusion of sensitive information in source code, and CWE-200, which covers information exposure through improper error handling. The flaw operates by leveraging the fundamental design weakness where the application architecture fails to properly isolate sensitive data from publicly accessible URL components. When users navigate through the mobile platform, authentication tokens or session identifiers become embedded in the URL parameters, creating a persistent exposure that can be exploited through various means including network traffic analysis, log file examination, or passive reconnaissance techniques. This design pattern violates security best practices for handling authentication credentials and session management, as outlined in the OWASP Top Ten and NIST SP 800-53 security frameworks.
The operational impact of this vulnerability extends beyond simple information disclosure to potentially enable more sophisticated attacks including session hijacking, privilege escalation, and unauthorized access to protected resources. Attackers can exploit this weakness by monitoring network traffic, accessing server logs, or leveraging browser-based reconnaissance to extract the sensitive information embedded within URL parameters. The vulnerability creates a persistent threat vector that remains active as long as the application continues to embed sensitive data in URLs, making it particularly dangerous in environments where server logs are accessible to unauthorized personnel or where network monitoring is prevalent. This exposure could lead to complete compromise of user sessions and unauthorized access to enterprise resources, especially when combined with other vulnerabilities or attack vectors that might be available through the same platform.
Mitigation strategies for CVE-2020-4226 should focus on implementing proper secure coding practices and architectural redesign to eliminate the storage of sensitive information in URL parameters. Organizations should immediately implement URL parameter sanitization protocols and ensure that all authentication tokens, session identifiers, and other sensitive data are handled through secure mechanisms such as HTTP-only cookies, secure headers, or server-side session management. The remediation process should include comprehensive code reviews to identify all instances where sensitive data might be embedded in URLs, followed by implementation of proper session management frameworks that do not rely on URL-based parameter passing for authentication purposes. Additionally, security teams should enhance their monitoring capabilities to detect and alert on suspicious URL patterns that might indicate attempts to exploit this vulnerability, while also implementing proper access controls for server log files and ensuring that URL parameter validation is enforced at all application layers. The fix should align with the ATT&CK framework's T1566 technique for credential access through network sniffing, ensuring that sensitive information is not transmitted through insecure channels that could be intercepted by unauthorized parties.