CVE-2023-27260
📋 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 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, modification, or deletion of all application data including sensitive user information, potentially leading to full system takeover.
Likely Case
Data exfiltration of sensitive information such as user credentials, personal data, and attendance records, potentially enabling further attacks.
If Mitigated
Limited impact if proper network segmentation, WAF rules, and input validation are in place to block SQL injection attempts.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited and this one requires no authentication, making it highly attractive to attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch 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
2. Backup current installation and database
3. Install the updated version
4. Restart the application services
5. Verify the update was successful
🔧 Temporary Workarounds
Web Application Firewall Rules
allImplement WAF rules to block SQL injection patterns targeting the GetAssignmentsDue endpoint
Network Segmentation
allRestrict access to the IDWeb application to only authorized internal networks
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in the application code
- Deploy a web application firewall with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Check the application version in the admin interface or application files. If version is 3.1.052 or earlier, the system is vulnerable.Check Version:
Check the application's admin panel or version.txt file in the installation directoryVerify Fix Applied:
Verify the application 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 application logs
- Multiple failed login attempts followed by SQL error messages
- Requests to GetAssignmentsDue with SQL syntax in parameters
Network Indicators:
- Unusual database connection patterns from web server
- Large data transfers from database to external IPs
- SQL error messages in HTTP responses
SIEM Query:
source="idweb_logs" AND ("GetAssignmentsDue" AND ("UNION" OR "SELECT" OR "INSERT" OR "UPDATE" OR "DELETE" OR "--" OR "' OR '1'='1"))