CVE-2023-46953
📋 TL;DR
A SQL injection vulnerability in ABO.CMS v5.9.3 allows remote attackers to execute arbitrary SQL commands via the 'd' parameter in the Documents module. This can lead to data theft, data manipulation, or complete system compromise. All systems running ABO.CMS v5.9.3 with the Documents module accessible are affected.
💻 Affected Systems
- ABO.CMS
📦 What is this software?
Abo.cms by Abocms
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to data exfiltration, ransomware deployment, or complete control over the server and connected systems.
Likely Case
Database compromise allowing attackers to steal sensitive data, modify content, or escalate privileges within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing successful exploitation.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and weaponized. The public disclosure includes technical details that facilitate exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches. 3. Verify the fix by testing the vulnerable parameter.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for the 'd' parameter in the Documents module.
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection rules to block malicious requests targeting the vulnerable parameter.
🧯 If You Can't Patch
- Disable or restrict access to the Documents module if not required.
- Implement network segmentation to isolate the ABO.CMS server from critical systems.
🔍 How to Verify
Check if Vulnerable:
Test the 'd' parameter in the Documents module with SQL injection payloads (e.g., ' OR '1'='1). Monitor for unexpected database responses or errors.Check Version:
Check the ABO.CMS admin panel or configuration files for version information (typically in version.txt or similar files).Verify Fix Applied:
Retest the 'd' parameter with SQL injection payloads after applying fixes. Ensure no SQL errors or unexpected data is returned.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple requests to Documents module with suspicious 'd' parameter values
- Unexpected database queries from the application
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.) in the 'd' parameter
- Unusual traffic patterns to the Documents module endpoint
SIEM Query:
source="web_logs" AND uri_path="/documents" AND query_string="*d=*" AND (query_string="*SELECT*" OR query_string="*UNION*" OR query_string="*OR*1*" OR query_string="*--*" OR query_string="*;*" OR query_string="*'*'*'")