CVE-2019-7587
📋 TL;DR
This SQL injection vulnerability in Bo-blog Wind CMS allows attackers to execute arbitrary SQL commands through the comID parameter in admin.php/comments/batchdel/. It affects all Bo-blog Wind installations up to version 1.6.0-r, potentially compromising the entire database.
💻 Affected Systems
- Bo-blog Wind CMS
📦 What is this software?
Bw by Bo Blog
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to RCE chaining.
Likely Case
Unauthorized data access, modification, or deletion of blog content, user accounts, and configuration data.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, restricting SQL execution scope.
🎯 Exploit Status
Exploitation requires access to admin.php endpoint but SQL injection payloads are well-documented and easy to weaponize.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.6.0-r
Vendor Advisory: https://c3tsec.wordpress.com/2019/01/12/sql-injection-in-bo-blog-wind-cms/
Restart Required: No
Instructions:
1. Upgrade to latest Bo-blog Wind version. 2. Apply vendor patches if available. 3. Replace vulnerable mode/admin.mode.php file with patched version.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize comID parameter before processing
Modify mode/admin.mode.php to add: if(!is_numeric($_POST['comID'])) { die('Invalid input'); }
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns
Add WAF rule: SecRule ARGS:comID "@detectSQLi" "id:1001,phase:2,deny,status:403"
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in the delBlockedBatch function
- Restrict access to admin.php endpoint using IP whitelisting or additional authentication
🔍 How to Verify
Check if Vulnerable:
Test admin.php/comments/batchdel/ endpoint with SQL injection payloads like ' OR '1'='1 in comID parameterCheck Version:
Check Bo-blog Wind version in configuration files or admin panelVerify Fix Applied:
Verify that SQL injection payloads no longer execute and return error messages or are properly sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin.php
- Suspicious comID parameter values in web server logs
Network Indicators:
- SQL keywords in HTTP POST requests to admin.php
- Unusual database connection patterns from web server
SIEM Query:
source="web_server.log" AND uri="/admin.php/comments/batchdel/" AND (comID="*OR*" OR comID="*UNION*" OR comID="*SELECT*")