CVE-2023-29245
📋 TL;DR
An unauthenticated SQL injection vulnerability in Nozomi Networks Guardian and CMC allows attackers to execute arbitrary SQL commands via specially crafted network packets targeting the Asset Intelligence functionality. This could lead to data theft, database manipulation, or service disruption. Organizations using vulnerable versions of these products are affected.
💻 Affected Systems
- Nozomi Networks Guardian
- Nozomi Networks CMC
📦 What is this software?
Cmc by Nozominetworks
Cmc by Nozominetworks
Guardian by Nozominetworks
Guardian by Nozominetworks
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the database including data exfiltration, structural alteration, and denial of service, potentially leading to full system compromise.
Likely Case
Unauthorized data extraction from the database, potentially exposing sensitive asset intelligence information.
If Mitigated
Limited impact with proper network segmentation and input validation controls in place.
🎯 Exploit Status
Requires knowledge of underlying system and crafting malicious network packets.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Consult vendor advisory NN-2023:11-01 for specific patched versions
Vendor Advisory: https://security.nozominetworks.com/NN-2023:11-01
Restart Required: Yes
Instructions:
1. Review vendor advisory NN-2023:11-01
2. Identify current version
3. Apply vendor-provided patches/updates
4. Restart affected services
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Nozomi devices to trusted sources only
Configure firewall rules to limit inbound connections to Nozomi devices
Input Validation Enhancement
allImplement additional input validation at network perimeter
Deploy WAF with SQL injection rules
Configure IDS/IPS to detect SQL injection patterns
🧯 If You Can't Patch
- Isolate Nozomi devices in separate network segment with strict access controls
- Implement network monitoring for SQL injection patterns targeting Nozomi systems
🔍 How to Verify
Check if Vulnerable:
Check current version against vendor advisory; test with authorized vulnerability scanningCheck Version:
Check via Nozomi web interface or CLI (vendor-specific command)Verify Fix Applied:
Verify version matches patched release from vendor advisory; test with authorized vulnerability scanning📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in database logs
- Multiple failed login attempts or unusual access patterns
Network Indicators:
- Malformed network packets targeting Asset Intelligence endpoints
- SQL injection patterns in traffic to Nozomi devices
SIEM Query:
source="nozomi" AND (event_type="sql_error" OR message="SQL" OR pattern="UNION SELECT")