CVE-2022-28163
📋 TL;DR
This SQL injection vulnerability in Brocade SANnav allows attackers to execute arbitrary SQL commands through multiple Zone management endpoints. It affects Brocade SANnav installations before version 2.2.0, potentially compromising the entire SAN management system.
💻 Affected Systems
- Brocade SANnav
📦 What is this software?
Sannav by Broadcom
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of SAN management system leading to data exfiltration, service disruption, or lateral movement to connected storage systems
Likely Case
Unauthorized access to sensitive SAN configuration data, potential privilege escalation within SANnav
If Mitigated
Limited impact if network segmentation prevents access to SANnav management interfaces
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity, but authentication may be required
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.2.0 or later
Vendor Advisory: https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-1842
Restart Required: Yes
Instructions:
1. Download SANnav 2.2.0 or later from Broadcom support portal. 2. Backup current configuration. 3. Apply the update following vendor documentation. 4. Restart SANnav services.
🔧 Temporary Workarounds
Network segmentation
allRestrict access to SANnav management interfaces to authorized administrators only
Input validation at WAF
allImplement SQL injection protection rules in web application firewall
🧯 If You Can't Patch
- Implement strict network access controls to SANnav management interface
- Monitor for unusual SQL queries or unauthorized access attempts to Zone management endpoints
🔍 How to Verify
Check if Vulnerable:
Check SANnav version via web interface or CLI. If version is below 2.2.0, system is vulnerable.Check Version:
Check via SANnav web interface: System > About, or via CLI if availableVerify Fix Applied:
Confirm SANnav version is 2.2.0 or higher and test Zone management functionality📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed authentication attempts followed by successful access to Zone endpoints
- Unexpected database schema changes
Network Indicators:
- Unusual traffic patterns to Zone management API endpoints
- SQL error messages in HTTP responses
SIEM Query:
source="sannav" AND (uri="*zone*" OR uri="*Zone*") AND (status=500 OR response_size>10000)