CVE-2019-8928 in Netflow Analyzer Professional
Summary
by MITRE
An issue was discovered in Zoho ManageEngine Netflow Analyzer Professional 7.0.0.2. XSS exists in /netflow/jspui/userManagementForm.jsp via these GET parameters: authMeth, passWord, pwd1, and userName.
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Analysis
by VulDB Data Team • 06/23/2024
The vulnerability identified as CVE-2019-8928 represents a cross-site scripting flaw within Zoho ManageEngine Netflow Analyzer Professional version 7.0.0.2. This security weakness resides in the userManagementForm.jsp component and specifically affects four GET parameters: authMeth, passWord, pwd1, and userName. The flaw allows attackers to inject malicious scripts into web pages viewed by other users, creating a significant risk to the application's security integrity.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the web application's user management interface. When the application processes these specific GET parameters without proper sanitization, it fails to escape special characters that could be interpreted as HTML or JavaScript code. This insufficient sanitization creates an opening for malicious actors to craft URLs containing script payloads that execute in the context of other users' browsers. The vulnerability manifests when users navigate to the affected endpoint with maliciously crafted parameters, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of authenticated users.
The operational impact of this XSS vulnerability extends beyond simple script execution, as it can enable attackers to establish persistent access to the application's administrative functions. An attacker who successfully exploits this vulnerability could potentially escalate privileges, modify user accounts, or gain unauthorized access to network flow data that the application processes. The affected parameters suggest this vulnerability impacts user authentication and account management functionalities, which are critical components of any network monitoring system. Given that Netflow Analyzer is designed to monitor and analyze network traffic patterns, compromised user accounts could provide attackers with access to sensitive network data and potentially enable further reconnaissance activities.
Organizations utilizing this vulnerable version of Zoho ManageEngine Netflow Analyzer should implement immediate mitigations including input validation and output encoding controls. The recommended approach involves implementing strict parameter validation that filters or rejects potentially malicious input characters before processing user-provided data. Additionally, proper HTML encoding should be implemented when displaying user-supplied data in web interfaces to prevent script execution. This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and follows patterns commonly referenced in ATT&CK framework under TA0001 Initial Access and TA0002 Execution phases. The remediation strategy should include upgrading to a patched version of the software, implementing web application firewalls, and conducting thorough security testing of all web application components to identify similar vulnerabilities in the broader application architecture.