CVE-2025-23325
📋 TL;DR
NVIDIA Triton Inference Server contains a vulnerability where specially crafted inputs can trigger uncontrolled recursion, potentially causing denial of service. This affects both Windows and Linux deployments running vulnerable versions of the inference server.
💻 Affected Systems
- NVIDIA Triton Inference Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete service disruption of Triton Inference Server, affecting all inference requests and potentially requiring server restart
Likely Case
Temporary denial of service affecting specific inference endpoints or models until the recursion condition resolves
If Mitigated
Limited impact with proper input validation and monitoring in place
🎯 Exploit Status
Exploitation requires sending specially crafted input to the inference server, which could be automated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check NVIDIA advisory for specific patched version
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5687
Restart Required: Yes
Instructions:
1. Review NVIDIA advisory for patched version. 2. Download and install patched version from NVIDIA. 3. Restart Triton Inference Server. 4. Verify the update was successful.
🔧 Temporary Workarounds
Input Validation Filter
allImplement input validation at the application layer to filter potentially malicious inputs before they reach Triton
Rate Limiting
allImplement rate limiting on inference endpoints to limit the impact of potential DoS attacks
🧯 If You Can't Patch
- Isolate Triton servers in network segments with strict access controls
- Implement comprehensive monitoring and alerting for abnormal recursion patterns
🔍 How to Verify
Check if Vulnerable:
Check Triton Inference Server version against NVIDIA's advisory for vulnerable versionsCheck Version:
Check Triton server logs or configuration for version informationVerify Fix Applied:
Verify installed version matches or exceeds the patched version specified in NVIDIA advisory📡 Detection & Monitoring
Log Indicators:
- Unusual recursion patterns in logs
- Multiple failed inference requests
- Server restart events
- High CPU/memory usage spikes
Network Indicators:
- Unusual patterns of inference requests
- Requests with malformed or specially crafted inputs
SIEM Query:
source="triton" AND (event_type="error" OR message="recursion" OR message="stack")