CVE-2015-5052
📋 TL;DR
CVE-2015-5052 is a SQL injection vulnerability in Sefrengo CMS versions before 1.6.5 beta2 that allows attackers to execute arbitrary SQL commands. This could lead to data theft, modification, or deletion. Any organization running vulnerable Sefrengo installations is affected.
💻 Affected Systems
- Sefrengo CMS
📦 What is this software?
Sefrengo by Sefrengo
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, privilege escalation, and potential remote code execution via database functions.
Likely Case
Unauthorized data access and manipulation, potentially leading to credential theft or content defacement.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited with automated tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.6.5 beta2 or later
Vendor Advisory: http://forum.sefrengo.org/index.php?showtopic=3399
Restart Required: No
Instructions:
1. Backup your Sefrengo installation and database. 2. Download Sefrengo 1.6.5 beta2 or later from official sources. 3. Replace vulnerable files with patched versions. 4. Verify functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation for all user-supplied parameters
Web Application Firewall
allDeploy WAF with SQL injection protection rules
🧯 If You Can't Patch
- Isolate the Sefrengo instance behind a reverse proxy with SQL injection filtering
- Implement strict network segmentation and limit database access to only necessary hosts
🔍 How to Verify
Check if Vulnerable:
Check Sefrengo version in admin panel or by examining version.php file
Check Version:
Check /version.php or admin panel version display
Verify Fix Applied:
Confirm version is 1.6.5 beta2 or later and test SQL injection attempts are blocked
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts with SQL syntax
Network Indicators:
- HTTP requests containing SQL keywords like UNION, SELECT, INSERT
SIEM Query:
web_requests WHERE url CONTAINS 'UNION' OR url CONTAINS 'SELECT' OR url CONTAINS 'INSERT'