CVE-2024-8564
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester PHP CRUD 1.0 allows remote attackers to execute arbitrary SQL commands via the /endpoint/update.php file. Organizations using this specific version of the PHP CRUD application are affected and should take immediate action.
💻 Affected Systems
- SourceCodester PHP CRUD
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, or deletion of entire databases, potentially leading to full system takeover if database privileges allow.
Likely Case
Unauthorized data access and extraction of sensitive information from the database, potentially including user credentials, personal data, or application configuration.
If Mitigated
Limited impact with proper input validation and parameterized queries in place, potentially only error messages or minor data exposure.
🎯 Exploit Status
Exploit has been publicly disclosed and requires minimal technical skill to execute
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider implementing parameterized queries and input validation in /endpoint/update.php
🔧 Temporary Workarounds
Implement Input Validation
allAdd strict input validation for tbl_person_id, first_name, middle_name, and last_name parameters
Use Parameterized Queries
allReplace direct SQL string concatenation with prepared statements in update.php
🧯 If You Can't Patch
- Block external access to /endpoint/update.php via web application firewall or network ACLs
- Implement database user with minimal privileges and enable query logging for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check if /endpoint/update.php exists and accepts tbl_person_id/first_name/middle_name/last_name parameters without proper input validationCheck Version:
Check application version in source code or configuration filesVerify Fix Applied:
Test that SQL injection attempts against the parameters return errors or are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed update attempts with SQL syntax in parameters
- Access to /endpoint/update.php with suspicious parameter values
Network Indicators:
- HTTP POST requests to /endpoint/update.php containing SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/endpoint/update.php" AND (param="*SELECT*" OR param="*UNION*" OR param="*OR*" OR param="*--*")