CVE-2023-26570
📋 TL;DR
This vulnerability allows unauthenticated attackers to extract sensitive student data from IDAttend's IDWeb application. It affects organizations using IDWeb version 3.1.052 and earlier. The StudentPopupDetails_Timetable method lacks proper authentication checks.
💻 Affected Systems
- IDAttend IDWeb
📦 What is this software?
Idweb by Idattend
⚠️ Risk & Real-World Impact
Worst Case
Mass extraction of all student personal data including schedules, contact information, and potentially other sensitive records, leading to privacy violations and regulatory penalties.
Likely Case
Unauthorized access to student timetable data and associated personal information, potentially enabling social engineering or targeted attacks.
If Mitigated
Limited to authenticated users only, with proper access controls preventing unauthorized data extraction.
🎯 Exploit Status
The vulnerability is in a specific method that should require authentication but doesn't.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.053 or later
Vendor Advisory: https://www.themissinglink.com.au/security-advisories/cve-2023-26570
Restart Required: Yes
Instructions:
1. Download latest version from IDAttend vendor. 2. Backup current installation. 3. Install update following vendor instructions. 4. Restart application services. 5. Verify authentication is required for StudentPopupDetails_Timetable method.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict access to IDWeb application to trusted networks only using firewall rules.
Web Application Firewall Rule
allBlock requests to the vulnerable StudentPopupDetails_Timetable endpoint for unauthenticated users.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate IDWeb from untrusted networks.
- Deploy web application firewall with rules blocking unauthenticated access to sensitive endpoints.
🔍 How to Verify
Check if Vulnerable:
Attempt to access the StudentPopupDetails_Timetable endpoint without authentication. If data is returned, the system is vulnerable.Check Version:
Check application version in admin interface or configuration files.Verify Fix Applied:
Verify that authentication is required for the StudentPopupDetails_Timetable endpoint and that unauthenticated requests return appropriate error.📡 Detection & Monitoring
Log Indicators:
- Multiple unauthenticated requests to StudentPopupDetails_Timetable endpoint
- Unusual data extraction patterns from student database
Network Indicators:
- HTTP requests to vulnerable endpoint without authentication headers
- Unusual outbound data transfers containing student information
SIEM Query:
source="idweb" AND (uri="*StudentPopupDetails_Timetable*" AND NOT auth_success="true")