CVE-2024-37398
📋 TL;DR
This vulnerability in Ivanti Secure Access Client allows local authenticated users to escalate their privileges due to insufficient validation. Attackers with standard user access can gain administrative privileges on affected systems. Organizations using Ivanti Secure Access Client versions before 22.7R4 are affected.
💻 Affected Systems
- Ivanti Secure Access Client
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Local authenticated attacker gains full administrative control over the system, potentially compromising the entire endpoint and accessing sensitive data.
Likely Case
Malicious insider or compromised user account escalates to admin privileges, enabling installation of malware, data exfiltration, or lateral movement.
If Mitigated
With proper privilege separation and monitoring, impact is limited to isolated endpoint compromise that can be quickly detected and contained.
🎯 Exploit Status
Exploitation requires local authenticated access but appears to be straightforward based on the vulnerability description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 22.7R4 and later
Vendor Advisory: https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEs
Restart Required: Yes
Instructions:
1. Download Ivanti Secure Access Client version 22.7R4 or later from the Ivanti support portal. 2. Run the installer on affected endpoints. 3. Restart the system to complete the installation.
🔧 Temporary Workarounds
Restrict Local User Access
allLimit local user access to systems running Ivanti Secure Access Client to reduce attack surface.
Implement Least Privilege
allEnsure users only have necessary privileges and cannot run arbitrary executables.
🧯 If You Can't Patch
- Monitor for privilege escalation attempts using endpoint detection tools
- Implement application whitelisting to prevent unauthorized executables
🔍 How to Verify
Check if Vulnerable:
Check the Ivanti Secure Access Client version in the application's about section or via system information.Check Version:
On Windows: Check program version in Control Panel > Programs and Features. On Linux/macOS: Check package version via system package manager.Verify Fix Applied:
Verify the installed version is 22.7R4 or later and check that no privilege escalation attempts are successful.📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events
- Unauthorized process execution with elevated privileges
- Security log entries showing user privilege changes
Network Indicators:
- Unusual outbound connections from Ivanti client processes
- Traffic patterns indicating data exfiltration
SIEM Query:
source="security_logs" AND (event_id="4672" OR event_id="4688") AND process_name="*ivanti*" AND user_privilege_change="true"