CVE-2023-27262
📋 TL;DR
This vulnerability allows unauthenticated attackers to perform SQL injection attacks against IDAttend's IDWeb application. Attackers can extract or modify all data in the database without needing valid 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 if proper network segmentation, WAF rules, and input validation are in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and the unauthenticated nature makes exploitation trivial for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.1.053 or later
Vendor Advisory: https://www.themissinglink.com.au/security-advisories/cve-2023-27260
Restart Required: Yes
Instructions:
1. Download the latest version from IDAttend vendor portal. 2. Backup current installation and database. 3. Install the updated version. 4. Restart the IDWeb service. 5. Verify functionality.
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting the GetAssignmentsDue endpoint.
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 to trusted IP addresses only.
- Deploy a web application firewall with SQL injection detection and prevention rules.
🔍 How to Verify
Check if Vulnerable:
Check IDWeb application version in administrative interface or configuration files.Check Version:
Check application settings or web.config file for version information.Verify Fix Applied:
Verify version is 3.1.053 or later and test the GetAssignmentsDue endpoint with SQL injection test payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed authentication attempts followed by SQL errors
- Requests to GetAssignmentsDue with SQL syntax in parameters
Network Indicators:
- Unusual outbound database connections from web server
- Large data transfers from database to external IPs
SIEM Query:
source="web_logs" AND (uri="*GetAssignmentsDue*" AND (param="*' OR *" OR param="*;--*" OR param="*UNION*"))