CVE-2024-23442
📋 TL;DR
This CVE describes an open redirect vulnerability in Kibana where attackers can craft malicious URLs that redirect users to arbitrary external websites. Kibana users who click on specially crafted links are affected. The vulnerability requires user interaction through clicking a link.
💻 Affected Systems
- Kibana
📦 What is this software?
Kibana by Elastic
Kibana by Elastic
⚠️ Risk & Real-World Impact
Worst Case
Users could be redirected to phishing sites that steal credentials or deliver malware, potentially leading to account compromise or system infection.
Likely Case
Attackers use crafted links in phishing campaigns to redirect users to malicious sites for credential harvesting or social engineering.
If Mitigated
With proper user awareness training and URL validation, impact is limited to failed phishing attempts with minimal damage.
🎯 Exploit Status
Open redirect vulnerabilities are commonly exploited in phishing campaigns and require minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Kibana 8.14.0, 7.17.22
Vendor Advisory: https://discuss.elastic.co/t/kibana-8-14-0-7-17-22-security-update/361502
Restart Required: Yes
Instructions:
1. Backup Kibana configuration and data. 2. Download and install Kibana 8.14.0 or 7.17.22 from elastic.co. 3. Restart Kibana service. 4. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation Proxy
allDeploy a reverse proxy or WAF that validates and filters redirect URLs
User Awareness Training
allTrain users to verify URLs before clicking and report suspicious Kibana links
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to restrict redirect destinations
- Monitor Kibana access logs for unusual redirect patterns and alert on suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check Kibana version via web interface or command line. If version is below 8.14.0 (for 8.x) or 7.17.22 (for 7.x), system is vulnerable.Check Version:
curl -X GET "http://localhost:5601/api/status" | grep "number"Verify Fix Applied:
After patching, verify Kibana version shows 8.14.0 or 7.17.22 or higher. Test redirect functionality with controlled test cases.📡 Detection & Monitoring
Log Indicators:
- Unusual redirect patterns in Kibana access logs
- Multiple failed redirect attempts
- Requests with suspicious URL parameters
Network Indicators:
- Outbound connections from Kibana to unexpected external domains
- HTTP 302/301 responses with external URLs
SIEM Query:
source="kibana.log" AND ("302" OR "301") AND url="*http://*" AND NOT url="*localhost*" AND NOT url="*internal-domain*"