CVE-2025-23307
📋 TL;DR
NVIDIA NeMo Curator contains a code injection vulnerability (CWE-94) where malicious files can execute arbitrary code. This affects all platforms running vulnerable versions, potentially allowing attackers to execute commands, escalate privileges, disclose information, or tamper with data.
💻 Affected Systems
- NVIDIA NeMo Curator
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining root/admin privileges, exfiltrating sensitive data, and establishing persistent access.
Likely Case
Limited code execution in the context of the NeMo Curator process, potentially leading to data theft or service disruption.
If Mitigated
No impact if proper file validation and sandboxing are implemented, or if vulnerable component is isolated.
🎯 Exploit Status
Requires attacker to create or upload a malicious file that NeMo Curator processes.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check NVIDIA advisory for specific fixed version
Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5690
Restart Required: Yes
Instructions:
1. Review NVIDIA advisory CVE-2025-23307
2. Download and install the latest NeMo Curator version
3. Restart affected services
4. Validate fix implementation
🔧 Temporary Workarounds
Restrict file processing
allLimit NeMo Curator to only process files from trusted sources with strict validation
Sandbox execution
linuxRun NeMo Curator in a container or sandbox with minimal privileges
docker run --read-only --cap-drop=ALL nvidia/nemo-curator
🧯 If You Can't Patch
- Isolate NeMo Curator from internet and untrusted networks
- Implement strict file validation and allowlisting for processed files
🔍 How to Verify
Check if Vulnerable:
Check NeMo Curator version against NVIDIA advisory; if processing untrusted files, assume vulnerableCheck Version:
nemo-curator --version or check package managerVerify Fix Applied:
Confirm installation of patched version and test with safe files📡 Detection & Monitoring
Log Indicators:
- Unusual file processing errors
- Unexpected process execution from NeMo Curator
- File access patterns from untrusted sources
Network Indicators:
- Unexpected outbound connections from NeMo Curator process
- File uploads to NeMo Curator from untrusted sources
SIEM Query:
process_name:"nemo-curator" AND (event_type:"process_execution" OR event_type:"file_access")