CVE-2019-7424 in ManageEngine Netflow Analyzer
Summary
by MITRE
XSS exists in Zoho ManageEngine Netflow Analyzer Professional v7.0.0.2 in the Administration zone "/netflow/jspui/index.jsp" file in the view GET parameter or any of these POST parameters: autorefTime, section, snapshot, viewOpt, viewAll, view, or groupSelName. The latter is related to CVE-2009-3903.
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Analysis
by VulDB Data Team • 08/04/2023
The vulnerability identified as CVE-2019-7424 represents a cross-site scripting flaw within Zoho ManageEngine Netflow Analyzer Professional version 7.0.0.2 that resides in the administrative interface. This issue specifically affects the "/netflow/jspui/index.jsp" endpoint where user-supplied input is improperly handled without adequate sanitization or encoding mechanisms. The vulnerability manifests through multiple vectors including GET parameters and several POST parameters such as autorefTime, section, snapshot, viewOpt, viewAll, view, and groupSelName, making it particularly concerning as it provides multiple attack surfaces for malicious actors to exploit.
The technical nature of this vulnerability aligns with CWE-79 which defines cross-site scripting as a weakness where an application incorporates untrusted data into web pages without proper validation or encoding, allowing attackers to inject malicious scripts. The flaw operates at the application layer where input validation fails to properly sanitize user-provided parameters before they are rendered back to users within the web interface. This particular implementation allows an attacker to inject malicious JavaScript code that executes in the context of other users' browsers who view the affected pages, potentially enabling session hijacking, credential theft, or redirection to malicious sites.
The operational impact of this vulnerability within the Netflow Analyzer environment is significant as it affects the administrative zone where sensitive network monitoring data is managed. Attackers could leverage this vulnerability to gain unauthorized access to network flow data, potentially compromising the integrity of network monitoring operations. The presence of multiple vulnerable parameters increases the attack surface and reduces the likelihood that proper input validation would be implemented across all vectors. Given that this tool is used for network flow analysis, successful exploitation could lead to the compromise of critical network infrastructure monitoring capabilities and potentially expose sensitive network traffic patterns to unauthorized parties.
Mitigation strategies should include immediate application of vendor patches or updates to address the identified cross-site scripting vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms to prevent user-supplied data from being executed as code within the browser context. Network segmentation and privileged access controls should be enforced to limit the potential impact of successful exploitation. Additionally, implementing web application firewalls and regular security assessments can help detect and prevent exploitation attempts. The vulnerability's relationship to CVE-2009-3903 indicates a pattern of similar issues in the product line that should prompt comprehensive security reviews of the entire application stack. Security monitoring should be enhanced to detect anomalous behavior patterns that might indicate exploitation attempts targeting this specific vulnerability.