CVE-2024-37825
📋 TL;DR
This vulnerability in EnvisionWare Computer Access & Reservation Control SelfCheck v1.0 allows unauthenticated attackers on the same network to perform directory traversal attacks, potentially accessing sensitive files. It affects organizations using this library management software before the May 2024 hotfix. Attackers must be on the same network segment as the vulnerable system.
💻 Affected Systems
- EnvisionWare Computer Access & Reservation Control SelfCheck
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive system files, configuration files, or user data stored on the server, potentially leading to data theft, system compromise, or further privilege escalation.
Likely Case
Unauthenticated attackers reading arbitrary files from the server filesystem, potentially exposing configuration files, logs, or other sensitive information.
If Mitigated
Limited impact with proper network segmentation and access controls preventing unauthorized network access to the vulnerable service.
🎯 Exploit Status
Proof of concept available on GitHub gist. Directory traversal vulnerabilities are typically easy to exploit with basic tools like curl or web browsers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: OneStop 3.2.0.27184 Hotfix May 2024
Vendor Advisory: https://www.envisionware.com/
Restart Required: Yes
Instructions:
1. Download the OneStop 3.2.0.27184 Hotfix from EnvisionWare support portal. 2. Backup current configuration. 3. Apply the hotfix following vendor instructions. 4. Restart the SelfCheck service. 5. Verify the fix by testing directory traversal attempts.
🔧 Temporary Workarounds
Network Segmentation
allIsolate the SelfCheck system on a separate VLAN or network segment to limit potential attackers
Firewall Rules
allRestrict network access to the SelfCheck service to only authorized client IP addresses
🧯 If You Can't Patch
- Implement strict network access controls to limit which systems can communicate with the vulnerable service
- Monitor network traffic to the SelfCheck service for directory traversal patterns and file access attempts
🔍 How to Verify
Check if Vulnerable:
Test if the system responds to directory traversal attempts (e.g., attempt to access ../../../../etc/passwd or similar path traversal patterns via HTTP requests to the SelfCheck service)Check Version:
Check the software version in the application interface or consult EnvisionWare documentation for version checking proceduresVerify Fix Applied:
After patching, repeat the directory traversal tests to confirm they no longer succeed and return appropriate error responses📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing ../ sequences
- Unusual file access patterns from network clients
- Failed file access attempts with traversal patterns
Network Indicators:
- HTTP requests with ../ in URL parameters or paths
- Multiple sequential requests attempting to access system directories
SIEM Query:
source="web_logs" AND (url="*../*" OR uri="*../*") AND dest_ip="[SELFCHECK_IP]"