CVE-2015-5052

9.8 CRITICAL

📋 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

Products:
  • Sefrengo CMS
Versions: All versions before 1.6.5 beta2
Operating Systems: Any OS running Sefrengo
Default Config Vulnerable: ⚠️ Yes
Notes: All Sefrengo installations with default configuration are vulnerable.

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: HIGH - Web applications are directly exposed to SQL injection attacks from the internet.
🏢 Internal Only: MEDIUM - Internal attackers could still exploit this if they have network access.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Implement strict input validation for all user-supplied parameters

Web Application Firewall

all

Deploy 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'

🔗 References

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