CVE-2024-50573
📋 TL;DR
This vulnerability in JetBrains Hub allows authenticated users to generate permanent authentication tokens for services they shouldn't have access to. It affects all organizations using JetBrains Hub for identity management and single sign-on. The improper access control could lead to unauthorized service access.
💻 Affected Systems
- JetBrains Hub
📦 What is this software?
Hub by Jetbrains
⚠️ Risk & Real-World Impact
Worst Case
Attackers with valid Hub accounts could generate tokens for privileged services, potentially gaining unauthorized access to sensitive systems integrated with Hub authentication.
Likely Case
Internal users accidentally or intentionally generating tokens for services beyond their intended permissions, leading to privilege escalation and unauthorized access.
If Mitigated
With proper monitoring and least-privilege access controls, impact would be limited to low-risk services with minimal damage potential.
🎯 Exploit Status
Requires authenticated access to Hub. The vulnerability is in the token generation mechanism itself, making exploitation straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024.3.47707
Vendor Advisory: https://www.jetbrains.com/privacy-security/issues-fixed/
Restart Required: Yes
Instructions:
1. Backup your Hub configuration and database. 2. Download Hub 2024.3.47707 or later from JetBrains website. 3. Stop the Hub service. 4. Install the updated version. 5. Start the Hub service. 6. Verify the upgrade was successful.
🔧 Temporary Workarounds
Disable token generation for non-admin users
allTemporarily restrict token generation capabilities to administrators only
# Configure via Hub admin interface: Settings > Authentication > Token Management
Implement token usage monitoring
allSet up alerts for unusual token generation patterns
# Monitor Hub audit logs for token creation events
🧯 If You Can't Patch
- Implement strict access controls and review all existing service tokens
- Enable detailed audit logging for all token generation and usage activities
🔍 How to Verify
Check if Vulnerable:
Check Hub version in admin interface or via API. If version is below 2024.3.47707, system is vulnerable.Check Version:
curl -s http://your-hub-server/api/rest/application/info | grep versionVerify Fix Applied:
After upgrade, verify version is 2024.3.47707 or higher. Test that non-admin users cannot generate tokens for unauthorized services.📡 Detection & Monitoring
Log Indicators:
- Unauthorized token generation attempts
- Token creation for services outside user's permissions
- Multiple token generation requests from single user
Network Indicators:
- Unusual API calls to token generation endpoints
- Tokens being used from unexpected IP addresses
SIEM Query:
source="hub" AND (event="token_create" OR event="api_token_generated") | stats count by user, service