CVE-2025-1820
📋 TL;DR
This critical SQL injection vulnerability in zj1983 zz software allows remote attackers to execute arbitrary SQL commands by manipulating the tableId parameter in the getOaWid function. Affected systems include all versions up to 2024-8, potentially enabling data theft, modification, or complete system compromise.
💻 Affected Systems
- zj1983 zz
📦 What is this software?
Zz by Zframeworks
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data exfiltration, data destruction, or full system takeover via SQL injection to RCE chaining.
Likely Case
Unauthorized data access, data manipulation, and potential privilege escalation within the database.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
Exploit code is publicly available on GitHub; remote exploitation requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - vendor unresponsive
Vendor Advisory: None available
Restart Required: Yes
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation for tableId parameter to allow only expected values
# Application-level code modification required
# Add validation in getOaWid function: if (!tableId.matches("^[a-zA-Z0-9_]+$")) throw new IllegalArgumentException();
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns
# Example ModSecurity rule:
SecRule ARGS:tableId "@detectSQLi" "id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt'"
🧯 If You Can't Patch
- Network segmentation: Isolate affected systems from internet and restrict access to trusted networks only
- Database hardening: Implement least privilege database accounts, enable auditing, and monitor for suspicious queries
🔍 How to Verify
Check if Vulnerable:
Test the vulnerable endpoint with SQL injection payloads in tableId parameter and observe database errors or unexpected behaviorCheck Version:
Check application version in configuration files or via application interfaceVerify Fix Applied:
Attempt SQL injection after implementing workarounds; successful fixes should reject malicious input or return generic errors📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in application logs
- Unusual database query patterns
- Multiple failed parameter validation attempts
Network Indicators:
- HTTP requests with SQL keywords in tableId parameter
- Unusual database connection patterns from application servers
SIEM Query:
source="application.log" AND ("SQL" OR "syntax" OR "tableId") AND error