CVE-2018-19635
📋 TL;DR
CVE-2018-19635 is a privilege escalation vulnerability in CA Service Desk Manager that allows authenticated users to gain administrative privileges through the user interface. This affects versions 14.1 and 17 of the software. Attackers with standard user accounts can exploit this to take full control of the system.
💻 Affected Systems
- CA Service Desk Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise where attackers gain administrative privileges, access sensitive data, modify configurations, and potentially use the system as a foothold for lateral movement.
Likely Case
Privileged attackers escalate to administrative roles, access confidential service desk data, and manipulate ticket workflows or user permissions.
If Mitigated
With proper access controls and monitoring, impact is limited to unauthorized privilege changes that can be detected and rolled back.
🎯 Exploit Status
Requires authenticated access but exploitation is straightforward through the UI.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply patches from CA Security Notice CA20190117-01
Vendor Advisory: https://support.ca.com/us/product-content/recommended-reading/security-notices/ca20190117-01-security-notice-for-ca-service-desk-manager.html
Restart Required: Yes
Instructions:
1. Download the patch from CA Support. 2. Backup the system. 3. Apply the patch according to CA documentation. 4. Restart the Service Desk Manager service.
🔧 Temporary Workarounds
Restrict User Access
allLimit user accounts to only necessary personnel and implement strict access controls.
Enhanced Monitoring
allMonitor for privilege escalation attempts and unusual administrative activity.
🧯 If You Can't Patch
- Isolate the Service Desk Manager system from critical networks
- Implement application-level monitoring for privilege changes and administrative actions
🔍 How to Verify
Check if Vulnerable:
Check if running CA Service Desk Manager version 14.1 or 17 without the CA20190117-01 patch.Check Version:
Check the application version through the Service Desk Manager interface or configuration files.Verify Fix Applied:
Verify patch installation by checking version information and confirming with CA support documentation.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege changes
- User role modifications outside normal workflows
- Administrative actions from non-admin accounts
Network Indicators:
- Unusual authentication patterns to administrative endpoints
SIEM Query:
source="ca_service_desk" AND (event_type="privilege_change" OR event_type="role_modification")🔗 References
- http://www.securityfocus.com/bid/106689
- https://support.ca.com/us/product-content/recommended-reading/security-notices/ca20190117-01-security-notice-for-ca-service-desk-manager.html
- http://www.securityfocus.com/bid/106689
- https://support.ca.com/us/product-content/recommended-reading/security-notices/ca20190117-01-security-notice-for-ca-service-desk-manager.html
