CVE-2023-27254
📋 TL;DR
This vulnerability allows unauthenticated attackers to perform SQL injection attacks on IDAttend's IDWeb application. Attackers can extract or modify all data in the database without needing credentials. Organizations using IDWeb version 3.1.052 or earlier are affected.
💻 Affected Systems
- IDAttend IDWeb
📦 What is this software?
Idweb by Idattend
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise allowing data theft, data destruction, or full system takeover through privilege escalation.
Likely Case
Data exfiltration of sensitive information including user credentials, personal data, and system configurations.
If Mitigated
Limited impact with proper network segmentation, WAF rules, and database permissions restricting damage scope.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized. The unauthenticated nature makes exploitation trivial for attackers with basic SQLi knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.053 or later
Vendor Advisory: https://www.themissinglink.com.au/security-advisories/cve-2023-27254
Restart Required: Yes
Instructions:
1. Download latest version from IDAttend vendor portal. 2. Backup current installation and database. 3. Install updated version. 4. Restart IDWeb service. 5. Verify functionality.
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting GetRoomChanges method
Network Segmentation
allRestrict access to IDWeb application to authorized internal networks only
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Deploy database monitoring and alerting for suspicious SQL queries
🔍 How to Verify
Check if Vulnerable:
Check IDWeb version in application settings or about page. If version is 3.1.052 or earlier, system is vulnerable.Check Version:
Check application interface or configuration files for version informationVerify Fix Applied:
Verify version is 3.1.053 or later and test GetRoomChanges functionality with SQL injection test payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed authentication attempts followed by GetRoomChanges requests
- SQL error messages in application logs
Network Indicators:
- HTTP requests to GetRoomChanges endpoint with SQL syntax in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (uri="*GetRoomChanges*" AND (param="*' OR *" OR param="*;--*" OR param="*UNION*"))