CVE-2017-11354
📋 TL;DR
CVE-2017-11354 is a critical SQL injection vulnerability in Fiyo CMS v2.0.7 that allows attackers to execute arbitrary SQL commands through the name parameter when editing or adding tag names. This affects all users running the vulnerable version of Fiyo CMS, potentially compromising the entire database and application.
💻 Affected Systems
- Fiyo CMS
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, privilege escalation, and unauthorized data modification.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
Exploitation requires authentication to access the admin interface, but SQL injection payloads are simple and well-documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2.0.8 or later
Vendor Advisory: https://github.com/FiyoCMS/FiyoCMS/issues/4
Restart Required: No
Instructions:
1. Backup your database and files. 2. Download the latest version from the official repository. 3. Replace vulnerable files with patched versions. 4. Verify the fix by testing the tag editing functionality.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize the name parameter before processing.
Modify dapur/apps/app_article/sys_article.php to validate/sanitize user input
WAF Rule
allImplement web application firewall rules to block SQL injection patterns.
Add WAF rule to detect and block SQL injection attempts in POST parameters
🧯 If You Can't Patch
- Restrict access to the dapur/admin interface to trusted IP addresses only.
- Implement database user with minimal privileges for the application.
🔍 How to Verify
Check if Vulnerable:
Check if running Fiyo CMS v2.0.7 and test the tag editing functionality with SQL injection payloads.Check Version:
Check the version in the CMS admin panel or examine the application files for version markers.Verify Fix Applied:
Test the tag editing functionality with SQL injection payloads after patching to confirm they are blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin interface
- Suspicious POST requests to sys_article.php
Network Indicators:
- SQL injection patterns in HTTP POST parameters
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="*sys_article.php*" AND (param="*name*" AND value="*' OR *")