CVE-2018-25175
📋 TL;DR
CVE-2018-25175 is an SQL injection vulnerability in Alienor Web Libre 2.0 that allows unauthenticated attackers to execute arbitrary SQL queries through the identifiant parameter. This enables attackers to extract sensitive database information including usernames, databases, and version details. All users running Alienor Web Libre 2.0 are affected.
💻 Affected Systems
- Alienor Web Libre
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, or potential server takeover via SQL injection to RCE chaining.
Likely Case
Extraction of sensitive database information including user credentials, configuration data, and potentially authentication bypass.
If Mitigated
Limited information disclosure if database permissions are properly restricted and input validation is implemented.
🎯 Exploit Status
Exploit code is publicly available on Exploit-DB and requires minimal technical skill to execute.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No known vendor advisory
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement proper input validation and parameterized queries for the identifiant parameter in index.php
Modify index.php to use prepared statements: $stmt = $pdo->prepare('SELECT * FROM users WHERE identifiant = ?'); $stmt->execute([$identifiant]);
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests
Configure WAF rules to detect and block SQL injection patterns in POST parameters
🧯 If You Can't Patch
- Implement network segmentation to restrict access to the vulnerable system
- Deploy intrusion detection systems to monitor for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Test by sending a POST request to index.php with SQL injection payload in identifiant parameter: curl -X POST -d 'identifiant=1' OR '1'='1' http://target/index.phpCheck Version:
Check the software version in the application interface or configuration filesVerify Fix Applied:
Test the same SQL injection payload after implementing fixes to confirm it no longer returns database information📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL-like patterns in identifiant field
Network Indicators:
- POST requests to index.php containing SQL keywords (UNION, SELECT, etc.) in parameters
- Unusual database query patterns from web server
SIEM Query:
source="web_logs" AND uri="/index.php" AND (method="POST") AND (param="identifiant") AND (value CONTAINS "UNION" OR value CONTAINS "SELECT" OR value CONTAINS "OR 1=1")