CVE-2024-43202
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on Apache DolphinScheduler servers by exploiting improper input validation. It affects all Apache DolphinScheduler installations before version 3.2.2. Organizations using vulnerable versions are at risk of complete system compromise.
💻 Affected Systems
- Apache DolphinScheduler
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system takeover with administrative privileges, data exfiltration, lateral movement to other systems, and persistent backdoor installation.
Likely Case
Unauthorized code execution leading to service disruption, data manipulation, and credential theft.
If Mitigated
Limited impact due to network segmentation and strict access controls, potentially only affecting the DolphinScheduler service itself.
🎯 Exploit Status
Based on CVSS 9.8 score and CWE-94 (Code Injection), exploitation is likely straightforward. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.2.2
Vendor Advisory: https://lists.apache.org/thread/nlmdp7q7l7o3l27778vxc5px24ncr5r5
Restart Required: Yes
Instructions:
1. Backup current configuration and data. 2. Download Apache DolphinScheduler 3.2.2 from official sources. 3. Stop the DolphinScheduler service. 4. Replace installation with new version. 5. Restore configuration if needed. 6. Start the service and verify functionality.
🔧 Temporary Workarounds
Network Isolation
linuxRestrict network access to DolphinScheduler instances using firewall rules
iptables -A INPUT -p tcp --dport [DolphinScheduler_port] -s [trusted_network] -j ACCEPT
iptables -A INPUT -p tcp --dport [DolphinScheduler_port] -j DROP
Access Control
allImplement strict authentication and authorization controls
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to only trusted sources
- Deploy web application firewall (WAF) with RCE protection rules and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check the DolphinScheduler version via web interface or configuration files. Versions below 3.2.2 are vulnerable.Check Version:
Check the version in the web interface or examine the installation directory for version filesVerify Fix Applied:
Verify version is 3.2.2 or higher and test workflow execution functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual process execution patterns
- Suspicious command execution in workflow logs
- Authentication bypass attempts
Network Indicators:
- Unexpected outbound connections from DolphinScheduler server
- Unusual payloads in HTTP requests to DolphinScheduler endpoints
SIEM Query:
source="dolphinscheduler" AND (event="command_execution" OR event="process_creation") AND user!="authorized_user"