CVE-2022-35234
📋 TL;DR
Trend Micro Security 2021 and 2022 (Consumer) contains an out-of-bounds read vulnerability that could allow an attacker to read sensitive information from memory and cause application crashes. This affects consumer versions of Trend Micro Security software running on Windows systems.
💻 Affected Systems
- Trend Micro Security 2021
- Trend Micro Security 2022
📦 What is this software?
Security by Trendmicro
Security by Trendmicro
⚠️ Risk & Real-World Impact
Worst Case
An attacker could read sensitive information from memory (potentially including credentials, encryption keys, or other protected data) and cause denial of service through application crashes.
Likely Case
Information disclosure of memory contents and application instability/crashes affecting the Trend Micro Security software.
If Mitigated
Limited information disclosure with minimal operational impact if proper network segmentation and endpoint protections are in place.
🎯 Exploit Status
Requires ability to execute code on target system; no public exploit code available at time of advisory
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Patched in Trend Micro Security updates (specific version numbers in vendor advisory)
Vendor Advisory: https://helpcenter.trendmicro.com/en-us/article/tmka-11058
Restart Required: Yes
Instructions:
1. Open Trend Micro Security 2. Click 'Check for Updates' 3. Install all available updates 4. Restart computer when prompted
🔧 Temporary Workarounds
Temporary Disable Trend Micro Protection
windowsDisable real-time protection temporarily if patching cannot be immediately performed (NOT RECOMMENDED except as emergency measure)
Right-click Trend Micro icon in system tray > Pause Protection
🧯 If You Can't Patch
- Restrict local user privileges to prevent execution of untrusted code
- Implement network segmentation to limit lateral movement potential
🔍 How to Verify
Check if Vulnerable:
Check Trend Micro Security version against patched versions listed in vendor advisory TMKA-11058Check Version:
Open Trend Micro Security > Click 'About' or check version in program interfaceVerify Fix Applied:
Verify Trend Micro Security shows no available updates and version matches or exceeds patched version📡 Detection & Monitoring
Log Indicators:
- Trend Micro application crash logs
- Unexpected memory access errors in system logs
Network Indicators:
- Unusual local process communication attempts to Trend Micro services
SIEM Query:
Process:trendmicro.exe AND (EventID:1000 OR ExceptionCode:c0000005)