CVE-2024-28114
📋 TL;DR
CVE-2024-28114 is a Server-Side Template Injection vulnerability in Peering Manager that allows remote code execution. Attackers can execute arbitrary commands on the underlying operating system running Peering Manager. All users running Peering Manager versions 1.8.2 and earlier are affected.
💻 Affected Systems
- Peering Manager
📦 What is this software?
Peering Manager by Peering Manager
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the server with full administrative access, data exfiltration, lateral movement to other systems, and persistent backdoor installation.
Likely Case
Unauthorized command execution leading to service disruption, configuration modification, credential theft, and potential deployment of ransomware or cryptominers.
If Mitigated
Limited impact due to network segmentation, minimal privileges, and monitoring that detects unusual process execution.
🎯 Exploit Status
Template injection vulnerabilities typically have low exploitation complexity once the injection point is identified. The advisory suggests unauthenticated exploitation is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.8.3
Vendor Advisory: https://github.com/peering-manager/peering-manager/security/advisories/GHSA-q37x-qfrx-jcv6
Restart Required: Yes
Instructions:
1. Backup your Peering Manager database and configuration. 2. Stop the Peering Manager service. 3. Update to version 1.8.3 using your deployment method (pip, Docker, etc.). 4. Run database migrations if required. 5. Restart the Peering Manager service. 6. Verify functionality.
🔧 Temporary Workarounds
No workarounds available
allThe vendor advisory states there are no known workarounds for this vulnerability.
🧯 If You Can't Patch
- Immediately isolate the Peering Manager instance from the internet and restrict network access to only necessary BGP peers.
- Implement strict network monitoring and alerting for unusual process execution or outbound connections from the Peering Manager host.
🔍 How to Verify
Check if Vulnerable:
Check the Peering Manager version in the web interface or by examining the installation. If version is 1.8.2 or earlier, the system is vulnerable.Check Version:
For Docker: docker exec peering-manager python -c "import peering_manager; print(peering_manager.__version__)" | For pip: pip show peering-manager | grep VersionVerify Fix Applied:
After upgrading, verify the version shows 1.8.3 or later in the web interface or via the installation check.📡 Detection & Monitoring
Log Indicators:
- Unusual template rendering errors in application logs
- Suspicious process execution in system logs (especially Python subprocess calls)
- Unexpected outbound network connections from Peering Manager host
Network Indicators:
- Unusual HTTP requests containing template syntax ({{, }}, {% %})
- Outbound connections to suspicious IPs from Peering Manager host
SIEM Query:
source="peering-manager.log" AND ("template" OR "render" OR "exec" OR "subprocess") | source="system.log" AND process="python" AND parent_process="peering-manager"🔗 References
- https://github.com/peering-manager/peering-manager/commit/8a865fb596c11ad7caf45aef317d8fcbce7f85ff
- https://github.com/peering-manager/peering-manager/security/advisories/GHSA-q37x-qfrx-jcv6
- https://owasp.org/www-community/attacks/Command_Injection
- https://owasp.org/www-project-web-security-testing-guide/v41/4-Web_Application_Security_Testing/07-Input_Validation_Testing/18-Testing_for_Server_Side_Template_Injection
- https://stackoverflow.com/questions/73939573/how-to-sanitise-string-of-python-code-with-python
- https://github.com/peering-manager/peering-manager/commit/8a865fb596c11ad7caf45aef317d8fcbce7f85ff
- https://github.com/peering-manager/peering-manager/security/advisories/GHSA-q37x-qfrx-jcv6
- https://owasp.org/www-community/attacks/Command_Injection
- https://owasp.org/www-project-web-security-testing-guide/v41/4-Web_Application_Security_Testing/07-Input_Validation_Testing/18-Testing_for_Server_Side_Template_Injection
- https://stackoverflow.com/questions/73939573/how-to-sanitise-string-of-python-code-with-python
