CVE-2019-25519
📋 TL;DR
This SQL injection vulnerability in Jettweb PHP Hazir Haber Sitesi Scripti V1 allows attackers to inject malicious SQL code through the option parameter in POST requests to uyelik.php. Attackers can execute time-based SQL injection attacks to extract sensitive database information. Anyone using this specific PHP news site script version is affected.
💻 Affected Systems
- Jettweb PHP Hazir Haber Sitesi Scripti
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including extraction of user credentials, personal data, and administrative access leading to full system takeover.
Likely Case
Extraction of sensitive user data (usernames, emails, passwords), potential privilege escalation, and database manipulation.
If Mitigated
Limited information disclosure if proper input validation and parameterized queries are implemented.
🎯 Exploit Status
Exploit code is publicly available and requires minimal technical skill to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider migrating to a maintained alternative or implementing manual fixes.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for the option parameter in uyelik.php
Modify uyelik.php to use prepared statements: $stmt = $pdo->prepare('SELECT * FROM users WHERE option = ?'); $stmt->execute([$option]);
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in POST requests to uyelik.php
Configure WAF to block requests containing SQL keywords like UNION, SELECT, INSERT, UPDATE, DELETE in POST parameters
🧯 If You Can't Patch
- Isolate the vulnerable system behind a reverse proxy with strict input filtering
- Implement network segmentation to limit database access from the web server
🔍 How to Verify
Check if Vulnerable:
Test by sending POST request to uyelik.php with option parameter containing SQL injection payload like: option=1' AND SLEEP(5)--Check Version:
Check script files for version information or consult installation documentationVerify Fix Applied:
Test with same payload after fix - should return immediate response without delay📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to uyelik.php with SQL keywords in parameters
- Multiple failed login attempts with SQL-like payloads
Network Indicators:
- POST requests to uyelik.php containing SQL injection patterns
- Unusual database query patterns from web server
SIEM Query:
source="web_logs" AND uri="/uyelik.php" AND (method="POST") AND (param="option") AND (value MATCHES "(?i)(union|select|insert|update|delete|sleep|benchmark)")