CVE-2024-7871
📋 TL;DR
This SQL injection vulnerability in Easytest Online Test Platform allows authenticated attackers to execute arbitrary SQL commands through the word parameter in the online dictionary function. Attackers could potentially read, modify, or delete database contents. All users of Easytest Online Test Platform version 24E01 and earlier are affected.
💻 Affected Systems
- Easytest Online Test Platform
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to RCE chaining.
Likely Case
Unauthorized data access, privilege escalation, or data manipulation within the application database.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permissions restricting damage scope.
🎯 Exploit Status
SQL injection via word parameter requires authenticated user access but is straightforward to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Check vendor website for security updates
2. Apply any available patches for version 24E01 or later
3. Verify fix implementation
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation to reject malicious SQL characters in word parameter
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting the dictionary endpoint
🧯 If You Can't Patch
- Disable the online dictionary function entirely if not required
- Implement strict database user permissions with least privilege access
🔍 How to Verify
Check if Vulnerable:
Test the dictionary function with SQL injection payloads in the word parameter while authenticatedCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify parameterized queries are used and SQL injection attempts are properly rejected📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts followed by dictionary function access
- SQL syntax errors in application error logs
Network Indicators:
- HTTP requests to dictionary endpoint with SQL keywords in parameters
- Unusual database connection patterns from application server
SIEM Query:
source="app_logs" AND ("UNION SELECT" OR "' OR '1'='1" OR "EXEC(") AND uri="*/dictionary*"