CVE-2024-52290
📋 TL;DR
This is a stored cross-site scripting (XSS) vulnerability in LF Edge eKuiper IoT analytics engine. Users with modification rights (kuiperUser role) can inject malicious scripts into Connection Configuration names, which execute when administrators attempt to delete those configurations. This affects all eKuiper deployments prior to version 2.1.0.
💻 Affected Systems
- LF Edge eKuiper
📦 What is this software?
Ekuiper by Lfedge
⚠️ Risk & Real-World Impact
Worst Case
Administrator account compromise leading to full system takeover, data exfiltration, or lateral movement within the network.
Likely Case
Session hijacking of admin users, credential theft, or unauthorized actions performed with admin privileges.
If Mitigated
Limited impact due to proper input validation and output encoding, with only minor UI disruption possible.
🎯 Exploit Status
Exploitation requires authenticated user with modification rights (kuiperUser role). The vulnerability is in the web interface when deleting connection configurations.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.0
Vendor Advisory: https://github.com/lf-edge/ekuiper/security/advisories/GHSA-9cwv-pxcr-hfjc
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Stop eKuiper service. 3. Upgrade to version 2.1.0 or later. 4. Restart eKuiper service. 5. Verify functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation to sanitize Connection Configuration names
# Requires custom middleware or configuration modification
# Not available as simple command
Role-Based Access Restriction
allTemporarily restrict kuiperUser role permissions to prevent configuration name modifications
# Modify role permissions in eKuiper configuration
# Not available as simple command
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
- Monitor and audit all connection configuration changes and deletion attempts
🔍 How to Verify
Check if Vulnerable:
Check eKuiper version: if version is below 2.1.0, system is vulnerable. Also test by creating connection configuration with XSS payload in name field.Check Version:
ekuiper versionVerify Fix Applied:
After upgrading to 2.1.0, attempt to inject XSS payload into Connection Configuration name and verify it's properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual connection configuration names containing script tags or JavaScript code
- Multiple failed deletion attempts of connection configurations
- Admin session anomalies following configuration deletions
Network Indicators:
- Unexpected outbound connections from eKuiper server following admin actions
- Suspicious HTTP requests containing script payloads
SIEM Query:
source="ekuiper" AND ("connection" AND "delete") AND ("script" OR "javascript" OR "onerror" OR "onload")