CVE-2022-25404
📋 TL;DR
This CVE describes a SQL injection vulnerability in Tongda2000 v11.10's delete.php file via the DELETE_STR parameter, allowing attackers to execute arbitrary SQL commands. It affects organizations using this specific version of the Tongda2000 software, potentially leading to data breaches or system compromise.
💻 Affected Systems
- Tongda2000
📦 What is this software?
Tongda2000 by Tongda2000
⚠️ Risk & Real-World Impact
Worst Case
Full database compromise, data exfiltration, privilege escalation, or complete system takeover via SQL injection leading to remote code execution.
Likely Case
Unauthorized data access, modification, or deletion of database records, potentially disrupting business operations.
If Mitigated
Limited impact if input validation and parameterized queries are enforced, though risk remains if the vulnerability is unpatched.
🎯 Exploit Status
Public proof-of-concept exists in GitHub repositories, making exploitation straightforward for attackers with basic SQL injection knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in provided references
Vendor Advisory: Not provided in references
Restart Required: No
Instructions:
Check with Tongda2000 vendor for an official patch or upgrade to a fixed version; apply input validation and use parameterized queries in delete.php.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and sanitization for the DELETE_STR parameter in delete.php to block SQL injection attempts.
Not applicable; requires code changes in delete.php
Web Application Firewall (WAF) Rules
allDeploy a WAF with rules to detect and block SQL injection patterns targeting delete.php and the DELETE_STR parameter.
Not applicable; configure via WAF management interface
🧯 If You Can't Patch
- Restrict access to delete.php using network ACLs or authentication mechanisms to limit exposure.
- Monitor and log all access to delete.php for suspicious activity and implement intrusion detection systems.
🔍 How to Verify
Check if Vulnerable:
Test delete.php with a crafted DELETE_STR parameter (e.g., SQL injection payload) to see if it executes arbitrary SQL; use tools like sqlmap with caution in authorized environments.Check Version:
Check the software version via application interface or configuration files; for Tongda2000, refer to vendor documentation for version identification.Verify Fix Applied:
After applying fixes, retest with SQL injection payloads to ensure they are blocked or handled safely without database interaction.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs, especially involving delete.php with suspicious DELETE_STR values
- Multiple failed login attempts or access errors related to delete.php
Network Indicators:
- HTTP requests to delete.php with SQL injection patterns in parameters
- Anomalous outbound database connections from the application server
SIEM Query:
Example: source="web_logs" AND uri="/delete.php" AND (param="DELETE_STR" AND value CONTAINS "' OR '1'='1" OR value CONTAINS "UNION SELECT")