CVE-2024-40628
📋 TL;DR
This critical vulnerability in JumpServer allows attackers to read arbitrary files from the Celery container, which runs with root privileges and database access. Exploitation can lead to complete compromise of the JumpServer instance, including stealing all host secrets and creating admin accounts. All organizations running vulnerable versions of JumpServer are affected.
💻 Affected Systems
- JumpServer
📦 What is this software?
Jumpserver by Fit2cloud
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the JumpServer instance, allowing attackers to steal all credentials, create persistent admin accounts, manipulate the database, and pivot to internal network resources.
Likely Case
Sensitive information disclosure including database credentials, host secrets, and SSH keys, followed by privilege escalation and lateral movement within the network.
If Mitigated
Limited impact if JumpServer is isolated in a segmented network with strict access controls, though the container compromise remains severe.
🎯 Exploit Status
Exploitation requires access to the JumpServer interface but detailed technical analysis is publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.10.12 or 4.0.0
Vendor Advisory: https://github.com/jumpserver/jumpserver/security/advisories/GHSA-rpf7-g4xh-84v9
Restart Required: Yes
Instructions:
1. Backup your JumpServer configuration and database. 2. Stop the JumpServer service. 3. Update to version 3.10.12 or 4.0.0 following official upgrade documentation. 4. Restart the service and verify functionality.
🧯 If You Can't Patch
- Isolate JumpServer instance from other critical systems using network segmentation.
- Implement strict access controls and monitor all JumpServer access for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Check JumpServer version via web interface admin panel or by examining the container/packages.Check Version:
docker exec jumpserver python -c "import jumpserver; print(jumpserver.__version__)" or check web interfaceVerify Fix Applied:
Confirm version is 3.10.12 or higher (for v3) or 4.0.0 or higher (for v4) and test ansible playbook functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual ansible playbook executions
- Unexpected file read operations in Celery logs
- Database access from unexpected sources
Network Indicators:
- Anomalous outbound connections from JumpServer container
- Unexpected database queries
SIEM Query:
source="jumpserver" AND (ansible OR celery) AND (file_read OR unauthorized_access)