CVE-2018-18822
📋 TL;DR
CVE-2018-18822 is a SQL injection vulnerability in Grapixel New Media v2.0 that allows attackers to execute arbitrary SQL commands via the pages.aspx pageref parameter. This affects all systems running the vulnerable version of Grapixel New Media. Successful exploitation could lead to complete database compromise.
💻 Affected Systems
- Grapixel New Media
📦 What is this software?
New Media by Grapixel
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, and potential remote code execution if database functions allow it.
Likely Case
Database information disclosure, data manipulation, and potential authentication bypass.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
Public exploit code available on Exploit-DB demonstrates simple SQL injection payloads.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Implement input validation and parameterized queries in the application code.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in the pageref parameter.
Input Validation Filter
allImplement server-side validation to restrict pageref parameter to expected values.
🧯 If You Can't Patch
- Isolate the vulnerable system behind a reverse proxy with strict input filtering.
- Implement network segmentation to limit access to the vulnerable application.
🔍 How to Verify
Check if Vulnerable:
Test the pages.aspx endpoint with SQL injection payloads like ' OR '1'='1 in the pageref parameter.Check Version:
Check application version in admin panel or configuration files.Verify Fix Applied:
Verify that SQL injection payloads no longer execute and return error messages or are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple requests with SQL keywords in pageref parameter
Network Indicators:
- HTTP requests containing SQL injection patterns in URL parameters
SIEM Query:
source="web_logs" AND (pageref="*' OR*" OR pageref="*;--*" OR pageref="*UNION*" OR pageref="*SELECT*" OR pageref="*INSERT*")