CVE-2019-7423 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/editProfile.jsp" file in the userName parameter.
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Analysis
by VulDB Data Team • 08/04/2023
The vulnerability identified as CVE-2019-7423 represents a cross-site scripting flaw within Zoho ManageEngine Netflow Analyzer Professional version 7.0.0.2 that specifically affects the administrative interface. This issue resides in the editProfile.jsp component which handles user profile management functions within the application's administration zone. The vulnerability manifests when the application fails to properly sanitize user input passed through the userName parameter, creating an avenue for malicious actors to inject arbitrary JavaScript code into the web application's response.
The technical nature of this vulnerability aligns with CWE-79, which categorizes cross-site scripting flaws as weaknesses in web applications where untrusted data is incorporated into web pages without proper validation or sanitization. The flaw occurs in the context of the application's administrative interface where legitimate users with appropriate privileges can modify their profile information. When an attacker manipulates the userName parameter through the editProfile.jsp endpoint, the application processes this input without adequate filtering mechanisms, allowing malicious scripts to be executed in the context of other users' browsers who view the affected profile page.
The operational impact of this vulnerability extends beyond simple data theft or manipulation, as it provides attackers with the capability to execute arbitrary code within the browser context of authenticated users. This could enable attackers to steal session cookies, perform unauthorized actions on behalf of victims, or redirect users to malicious sites. Given that this affects the administration zone of a network monitoring tool, successful exploitation could potentially grant attackers elevated privileges within the network infrastructure monitoring environment. The vulnerability is particularly concerning because it operates within the administrative interface where users typically possess higher privileges and access to sensitive network data.
Mitigation strategies for CVE-2019-7423 should focus on implementing proper input validation and output encoding mechanisms within the application's codebase. Organizations should ensure that all user-supplied input is rigorously validated and sanitized before being processed or displayed in web pages. The recommended approach involves implementing strict input filtering that removes or encodes potentially dangerous characters and implementing proper output encoding techniques such as HTML entity encoding when rendering user data. Additionally, organizations should consider implementing Content Security Policy headers to limit the execution of unauthorized scripts and ensure that the application is updated to the latest version where this vulnerability has been patched. The vulnerability also highlights the importance of regular security assessments and code reviews specifically targeting input handling and output rendering functions within web applications. This issue demonstrates the critical need for secure coding practices and adherence to web application security standards as outlined in the OWASP Top Ten and similar industry frameworks, where XSS vulnerabilities consistently rank among the most prevalent and dangerous web application security flaws.