CVE-2024-37623
📋 TL;DR
Xinhu RockOA v2.6.3 contains a reflected cross-site scripting (XSS) vulnerability in the /kaoqin/tpl_kaoqin_locationchange.html component. This allows attackers to inject malicious scripts that execute in victims' browsers when they visit a crafted URL. Organizations using this specific version of RockOA are affected.
💻 Affected Systems
- Xinhu RockOA
📦 What is this software?
Xinhu by Rockoa
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, perform actions as authenticated users, redirect to malicious sites, or install malware on user systems.
Likely Case
Session hijacking leading to unauthorized access to the OA system, data theft, or defacement of the application interface.
If Mitigated
Limited impact with proper input validation, output encoding, and Content Security Policy (CSP) headers in place.
🎯 Exploit Status
Exploitation requires tricking users into clicking a malicious link; no authentication needed to trigger the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://github.com/rainrocka/xinhu/issues/5
Restart Required: No
Instructions:
Check the GitHub issue for updates; apply any available patches or upgrade to a fixed version when released.
🔧 Temporary Workarounds
Input Validation and Output Encoding
allImplement server-side validation and proper output encoding for the affected component to neutralize XSS payloads.
Content Security Policy (CSP)
allDeploy a strict CSP header to block inline scripts and restrict script sources, mitigating XSS impact.
🧯 If You Can't Patch
- Restrict access to the vulnerable component using network controls or web application firewalls (WAF).
- Educate users about phishing risks and avoid clicking untrusted links to the OA system.
🔍 How to Verify
Check if Vulnerable:
Test the /kaoqin/tpl_kaoqin_locationchange.html endpoint with XSS payloads like <script>alert('XSS')</script> in parameters.
Check Version:
Check the RockOA version in the application interface or configuration files.
Verify Fix Applied:
Retest with XSS payloads after applying fixes; ensure scripts do not execute and input is properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- Unusual requests to /kaoqin/tpl_kaoqin_locationchange.html with script tags or encoded payloads in parameters.
Network Indicators:
- HTTP requests containing malicious scripts in query strings to the vulnerable endpoint.
SIEM Query:
Example: source="web_server" AND uri="/kaoqin/tpl_kaoqin_locationchange.html" AND (query CONTAINS "<script>" OR query CONTAINS "javascript:")