CVE-2019-5286 in HedEx Lite
Summary
by MITRE
There is a reflection XSS vulnerability in the HedEx products. Remote attackers send malicious links to users and trick users to click. Successfully exploit cloud allow the attacker to initiate XSS attacks. Affects HedEx Lite versions earlier than V200R006C00SPC007.
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Analysis
by VulDB Data Team • 10/05/2023
The CVE-2019-5286 vulnerability represents a critical cross-site scripting flaw within HedEx products that poses significant security risks to organizations utilizing affected versions of the HedEx Lite software. This vulnerability exists in versions prior to V200R006C00SPC007 and demonstrates how web applications can fail to properly validate and sanitize user input, creating opportunities for malicious actors to inject harmful scripts into web pages viewed by other users. The vulnerability specifically manifests as a reflected cross-site scripting issue, where malicious payloads are reflected off the web server and executed in the victim's browser, making it particularly dangerous for cloud-based deployments where multiple users interact with the same platform.
The technical implementation of this vulnerability allows remote attackers to craft malicious links containing specially formatted payloads that, when clicked by unsuspecting users, will execute arbitrary JavaScript code within the victim's browser context. This reflective nature means that the malicious script is not stored on the server but is instead reflected back to the user through the web application's response, typically by including user-supplied input directly into the HTML output without proper sanitization. The attack vector relies heavily on social engineering tactics where attackers deceive users into clicking malicious links, often through phishing emails or compromised websites, making it particularly challenging to defend against through traditional network security measures.
From an operational impact perspective, successful exploitation of CVE-2019-5286 can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and manipulation of application functionality. The vulnerability directly violates security principles outlined in CWE-79, which addresses cross-site scripting vulnerabilities, and aligns with ATT&CK technique T1059.007 for scripting, where adversaries leverage web-based scripting to execute malicious code in user browsers. Organizations using affected HedEx Lite versions face potential exposure to sophisticated attacks that could compromise user sessions, steal sensitive information, or provide attackers with persistent access to cloud environments. The cloud deployment aspect of the vulnerability amplifies the risk as attackers can potentially gain access to multiple user accounts and sensitive data stored within the HedEx platform.
Security mitigations for CVE-2019-5286 should prioritize immediate patching of affected HedEx Lite versions to V200R006C00SPC007 or later releases that contain proper input validation and output encoding mechanisms. Organizations should implement comprehensive web application firewalls and content security policies that can detect and block suspicious script injection attempts. Additionally, user education and awareness programs should be strengthened to help identify and avoid suspicious links that may contain malicious payloads. Network monitoring should be enhanced to detect unusual traffic patterns that might indicate exploitation attempts, while regular security assessments should verify that all input fields are properly sanitized and that output encoding is consistently applied throughout the application. The vulnerability underscores the critical importance of maintaining up-to-date software versions and implementing defense-in-depth strategies that protect against both known and emerging web-based attack vectors.