CVE-2024-40629 — AI Deep Analysis Summary

🚨 **Essence**: JumpServer (Open Source Bastion Host) has a critical flaw. Attackers use **Ansible Playbooks** to write arbitrary files.…

🛡️ **Root Cause**: **CWE-22** (Path Traversal/Improper Limitation of a Pathname). The vulnerability allows writing files to arbitrary locations via Ansible, bypassing security controls.

🏢 **Affected**: **JumpServer** (by Fit2Cloud/Hangzhou Feizhi Cloud). Specifically, the **Celery** component is vulnerable. Any instance using the affected version is at risk.

👑 **Attacker Power**: **Full Control**. The CVSS score is **Critical (9.8)**. Attackers gain **High Confidentiality, Integrity, and Availability** impact. They can execute code as the Celery user.

⚡ **Threshold**: **LOW**. <br>🔓 **Auth**: **None Required** (PR:N). <br>🌐 **Network**: **Network** accessible (AV:N). <br>🎯 **Complexity**: **Low** (AC:L). Easy to exploit remotely.

📢 **Public Exp?**: **Yes**. References include SonarSource blog and GitHub Security Advisory (GHSA-3wgp-q8m7-v33v). Technical details are public, increasing wild exploitation risk.

🔍 **Self-Check**: <br>1. Check if you run **JumpServer**. <br>2. Verify **Celery** service status. <br>3. Scan for **Ansible Playbook** injection points in the web interface. <br>4.…

🩹 **Official Fix**: **Yes**. Refer to the **GitHub Security Advisory** (GHSA-3wgp-q8m7-v33v) for the official patch and version updates. Update immediately.

🚧 **No Patch?**: <br>1. **Isolate** the JumpServer instance. <br>2. Restrict network access to the bastion host. <br>3. Disable **Ansible** related features if possible. <br>4. Monitor logs for **Celery** anomalies.

🔥 **Urgency**: **CRITICAL**. <br>📅 **Published**: July 18, 2024. <br>📉 **CVSS**: 9.8/10. <br>✅ **Action**: Patch **IMMEDIATELY**. This is a high-severity, remote, unauthenticated RCE.