CVE-2021-46067
📋 TL;DR
CVE-2021-46067 allows attackers to steal session cookies from Vehicle Service Management System 1.0, leading to full account takeover. This affects all users of the vulnerable software version. Attackers can impersonate legitimate users and gain complete control of their accounts.
💻 Affected Systems
- Vehicle Service Management System
📦 What is this software?
Vehicle Service Management System by Vehicle Service Management System Project
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all user accounts, unauthorized access to sensitive vehicle service data, potential data theft or manipulation, and system-wide administrative control.
Likely Case
Account takeover of multiple users, unauthorized access to personal and vehicle service information, potential data exfiltration.
If Mitigated
Limited impact with proper session management, cookie security headers, and network segmentation in place.
🎯 Exploit Status
Multiple public proof-of-concept references demonstrate cookie stealing techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Implement HTTP Security Headers
allAdd HttpOnly, Secure, and SameSite flags to cookies to prevent theft via XSS
Set-Cookie: session=value; HttpOnly; Secure; SameSite=Strict
Web Application Firewall Rules
allConfigure WAF to detect and block cookie stealing attempts
🧯 If You Can't Patch
- Isolate the system behind a reverse proxy with strict security headers
- Implement network segmentation to limit access to the vulnerable system
🔍 How to Verify
Check if Vulnerable:
Check if running Vehicle Service Management System version 1.0. Review application cookies for missing HttpOnly/Secure flags.Check Version:
Check application interface or configuration files for version information.Verify Fix Applied:
Verify cookies have HttpOnly, Secure, and SameSite attributes. Test for cookie access via JavaScript.📡 Detection & Monitoring
Log Indicators:
- Unusual cookie access patterns
- Multiple failed login attempts followed by successful login from different IP
Network Indicators:
- Suspicious JavaScript injection attempts
- Unexpected cookie transmission to external domains
SIEM Query:
source="web_logs" AND (cookie_access OR session_hijacking)🔗 References
- https://github.com/plsanu/Vehicle-Service-Management-System-Multiple-Cookie-Stealing-Leads-to-Full-Account-Takeover
- https://www.plsanu.com/vehicle-service-management-system-multiple-cookie-stealing-leads-to-full-account-takeover
- https://github.com/plsanu/Vehicle-Service-Management-System-Multiple-Cookie-Stealing-Leads-to-Full-Account-Takeover
- https://www.plsanu.com/vehicle-service-management-system-multiple-cookie-stealing-leads-to-full-account-takeover
