CVE-2024-52050
📋 TL;DR
This vulnerability in Trend Micro Apex One's LogServer component allows a local attacker with low-privileged code execution to create arbitrary files, potentially leading to privilege escalation. Affected systems are those running vulnerable versions of Trend Micro Apex One. An attacker must already have some access to the system to exploit this flaw.
💻 Affected Systems
- Trend Micro Apex One
📦 What is this software?
Apex One by Trendmicro
Apex One by Trendmicro
⚠️ Risk & Real-World Impact
Worst Case
An attacker gains full administrative privileges on the system, enabling complete compromise, data theft, lateral movement, and persistence.
Likely Case
Local privilege escalation allowing attackers to bypass security controls, install malware, or access restricted resources.
If Mitigated
Limited impact due to proper access controls, monitoring, and isolation preventing initial low-privileged access.
🎯 Exploit Status
Exploitation requires existing low-privileged access; no public exploit code is known at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Trend Micro advisory for specific patched versions
Vendor Advisory: https://success.trendmicro.com/en-US/solution/KA-0018217
Restart Required: Yes
Instructions:
1. Review the Trend Micro advisory. 2. Download and apply the latest security update for Apex One. 3. Restart affected systems as required.
🔧 Temporary Workarounds
Restrict Local Access
windowsLimit user privileges and enforce least privilege to reduce attack surface for initial low-privileged access.
🧯 If You Can't Patch
- Implement strict access controls and monitoring for suspicious file creation activities.
- Isolate affected systems from critical network segments and apply network segmentation.
🔍 How to Verify
Check if Vulnerable:
Check Apex One version against the patched version listed in the Trend Micro advisory.Check Version:
Check Apex One console or agent version through Trend Micro management interface.Verify Fix Applied:
Confirm that the Apex One version is updated to the patched version and monitor for any abnormal file creation events.📡 Detection & Monitoring
Log Indicators:
- Unusual file creation events in system or application logs, especially by low-privileged users.
Network Indicators:
- None specific; this is a local exploit.
SIEM Query:
Search for file creation events in unexpected directories or by non-admin users on systems with Apex One.