CVE-2024-30113
📋 TL;DR
This vulnerability in HCL Leap allows attackers to inject malicious scripts into web applications through the HTML widget. It affects organizations using HCL Leap for application development and deployment. Successful exploitation could lead to client-side attacks against application users.
💻 Affected Systems
- HCL Leap
📦 What is this software?
Hcl Leap by Hcltech
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal user session cookies, credentials, or sensitive data, perform actions on behalf of authenticated users, or redirect users to malicious sites.
Likely Case
Cross-site scripting attacks leading to session hijacking, credential theft, or defacement of application interfaces.
If Mitigated
Limited impact with proper input validation and output encoding, though the vulnerability still exists at the framework level.
🎯 Exploit Status
Exploitation requires the ability to inject scripts into HTML widget inputs, which typically requires some level of application access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: HCL Leap V12.0.0.1
Vendor Advisory: https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0119900
Restart Required: Yes
Instructions:
1. Download HCL Leap V12.0.0.1 from HCL support portal. 2. Backup current installation and data. 3. Apply the update following HCL Leap upgrade procedures. 4. Restart the Leap server and all affected applications.
🔧 Temporary Workarounds
Input Validation Enhancement
allImplement additional input validation and output encoding for HTML widget inputs
Content Security Policy
allImplement strict Content Security Policy headers to limit script execution
🧯 If You Can't Patch
- Implement web application firewall rules to detect and block XSS payloads
- Disable or restrict HTML widget usage in critical applications
🔍 How to Verify
Check if Vulnerable:
Check HCL Leap version in administration console or via system properties. Versions below V12.0.0.1 are vulnerable.Check Version:
Check Leap version in administration console under System InformationVerify Fix Applied:
Verify version is V12.0.0.1 or higher in administration console and test HTML widget functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual HTML content in widget inputs
- Script tags or JavaScript in HTML widget submissions
Network Indicators:
- HTTP requests containing script injection patterns to Leap endpoints
SIEM Query:
source="leap-logs" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")