CVE-2018-2399 in Process Monitoring Infrastructure
Summary
by MITRE
Cross-Site Scripting in Process Monitoring Infrastructure, from 7.10 to 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, due to inefficient encoding of user controlled inputs.
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Analysis
by VulDB Data Team • 02/22/2023
The vulnerability identified as CVE-2018-2399 represents a critical cross-site scripting flaw within the process monitoring infrastructure of a widely deployed software platform. This vulnerability affects multiple version ranges including 7.10 to 7.11, 7.20, 7.30, 7.31, 7.40, and 7.50, indicating a broad impact across the software lifecycle. The core issue stems from insufficient encoding mechanisms applied to user-controlled inputs within the monitoring infrastructure components, creating an avenue for malicious actors to inject arbitrary script code into the system. This weakness specifically manifests in the process monitoring context where user inputs are not properly sanitized before being rendered in web interfaces or processed within the monitoring framework. The vulnerability aligns with CWE-79 which categorizes cross-site scripting as a code injection flaw where untrusted data is improperly handled in web applications. The affected infrastructure likely processes various monitoring data inputs including process names, user identifiers, system metrics, or configuration parameters that users can manipulate through the monitoring interface.
The technical exploitation of this vulnerability occurs when attackers can craft malicious inputs that bypass the inadequate encoding mechanisms and subsequently execute scripts within the context of other users' browsers. The process monitoring infrastructure typically provides real-time visibility into system processes and performance metrics, making it a valuable target for attackers seeking to establish persistent access or conduct data exfiltration. When user-controlled inputs are not properly encoded, attackers can inject malicious javascript payloads that execute in the browser context of legitimate users who access the monitoring interface. This creates a dangerous scenario where authenticated users may unknowingly execute malicious code, potentially leading to session hijacking, privilege escalation, or data compromise. The vulnerability operates at the intersection of web application security and system monitoring, where the monitoring components are designed to provide transparency but inadvertently become attack vectors due to insufficient input validation and encoding.
The operational impact of CVE-2018-2399 extends beyond simple script execution, as it can enable attackers to manipulate the monitoring data flow and potentially compromise the integrity of the entire system monitoring ecosystem. Attackers can leverage this vulnerability to inject malicious scripts that modify displayed process information, redirect users to malicious sites, or harvest sensitive session cookies from authenticated users. The monitoring infrastructure typically serves as a critical operational component for system administrators, making it a prime target for attackers seeking to gain unauthorized access or disrupt system operations. This vulnerability can be exploited through various attack vectors including direct input manipulation, parameter tampering, or even through compromised user accounts that access the monitoring interface. The implications are particularly severe in enterprise environments where monitoring systems are central to security operations and system management. The attack surface is amplified by the fact that multiple versions are affected, suggesting that organizations may have extended exposure periods without proper patching or mitigation strategies.
Organizations affected by this vulnerability should implement immediate remediation measures including applying the vendor-provided patches and updates to address the encoding deficiencies in the process monitoring infrastructure. The mitigation strategy should focus on implementing robust input validation and encoding mechanisms throughout the monitoring components, ensuring that all user-controlled inputs are properly sanitized before processing or display. Security teams should also consider implementing additional monitoring for suspicious input patterns and conducting thorough code reviews to identify similar encoding vulnerabilities in other components of the monitoring infrastructure. The solution aligns with ATT&CK technique T1059.007 which covers scripting through web shells, and T1566 which addresses spearphishing with malicious attachments, as the XSS vulnerability can be leveraged to deliver these attack vectors. Organizations should also consider network-level protections such as web application firewalls and content security policies to provide additional defense in depth. The remediation process must include comprehensive testing to ensure that the encoding fixes do not disrupt legitimate monitoring functionality while effectively preventing script injection attacks. Regular security assessments of monitoring infrastructure components should be conducted to identify and address similar vulnerabilities that may exist in other parts of the system, particularly those handling user inputs in web-based interfaces.