CVE-2024-3137
📋 TL;DR
CVE-2024-3137 is an improper privilege management vulnerability in uvdesk/community-skeleton that allows authenticated users to escalate privileges and perform unauthorized actions. This affects all installations of uvdesk/community-skeleton using vulnerable versions. Attackers can exploit this to gain administrative access to the helpdesk system.
💻 Affected Systems
- uvdesk/community-skeleton
⚠️ 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
Complete system compromise where attackers gain full administrative control, access sensitive customer data, modify system configurations, and potentially pivot to other systems.
Likely Case
Privilege escalation allowing attackers to view and modify tickets, access customer information, and change system settings within the helpdesk application.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and regular monitoring in place.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once an attacker has valid credentials. Public proof-of-concept exists on huntr.com.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.4 and later
Vendor Advisory: https://huntr.com/bounties/faf74783-644c-40cd-aa98-2239e5fafcd1
Restart Required: Yes
Instructions:
1. Backup your current installation and database. 2. Update uvdesk/community-skeleton to version 1.1.4 or later using composer: 'composer require uvdesk/community-skeleton:^1.1.4'. 3. Clear cache: 'php bin/console cache:clear'. 4. Restart your web server.
🔧 Temporary Workarounds
Restrict User Permissions
allTemporarily reduce permissions for all non-admin users to minimum required access
Network Segmentation
allRestrict access to uvdesk application to trusted networks only
🧯 If You Can't Patch
- Implement strict access controls and monitor all user activity for privilege escalation attempts
- Deploy web application firewall (WAF) rules to detect and block privilege escalation patterns
🔍 How to Verify
Check if Vulnerable:
Check your composer.json file for uvdesk/community-skeleton version. If version is below 1.1.4, you are vulnerable.Check Version:
composer show uvdesk/community-skeleton | grep versionsVerify Fix Applied:
After updating, verify the installed version with: 'composer show uvdesk/community-skeleton' and confirm version is 1.1.4 or higher.📡 Detection & Monitoring
Log Indicators:
- Unusual permission changes in user logs
- Multiple failed privilege escalation attempts
- User accounts accessing admin functions unexpectedly
Network Indicators:
- HTTP requests to admin endpoints from non-admin users
- Unusual API calls to permission-related endpoints
SIEM Query:
source="uvdesk_logs" AND (event_type="permission_change" OR event_type="admin_access" OR user_role_change="true")