Share
[+] Credits: John Page (aka hyp3rlinx)   
[+] Website: hyp3rlinx.altervista.org  
[+] Source: http://hyp3rlinx.altervista.org/advisories/TREND-MICRO-SECURITY-CONSUMER-PERSISTENT-ARBITRARY-CODE-EXECUTION.txt  
[+] twitter.com/hyp3rlinx  
[+] ISR: ApparitionSec   
  
  
[Vendor]  
www.trendmicro.com  
  
  
[Product(s)]  
Trend Micro Security (Consumer) Multiple Products  
  
  
Trend Micro Security provides comprehensive protection for your devices.  
This includes protection against ransomware, viruses, malware, spyware, and identity theft.  
  
  
[Vulnerability Type]  
Persistent Arbitrary Code Execution  
  
  
[CVE Reference]  
CVE-2019-20357  
  
  
[CVSSv3 Scores: 6.7]  
  
  
[Security Issue]  
Trend Micro Security can potentially allow an attackers to use a malicious program to escalate privileges  
to SYSTEM integrity and attain persistence on a vulnerable system.  
  
  
[Product Affected Versions]  
Platform Microsoft Windows  
  
Premium Security 2019 (v15) and 2020 (v16)  
  
Maximum Security  
2019 (v15) and 2020 (v16)  
  
Internet Security  
2019 (v15) and 2020 (v16)  
  
Antivirus + Security  
2019 (v15) and 2020 (v16)  
  
  
[References]  
https://esupport.trendmicro.com/en-us/home/pages/technical-support/1124099.aspx  
  
[Exploit/POC]  
Compile C test code "Program.c"  
  
void main(void){  
puts("Done!");  
system("pause");  
}  
  
1) Place under c:\ dir.  
2) Reboot the machine, the coreServiceShell.exe service loads and executes our binary with SYSTEM integrity.  
  
  
  
[Network Access]  
Local  
  
  
[Severity]  
Medium  
  
  
  
[Disclosure Timeline]  
Vendor Notification: October 8, 2019  
vendor advisory: January 15, 2020  
January 16, 2020 : Public Disclosure  
  
  
  
[+] Disclaimer  
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise.  
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and  
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit  
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility  
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information  
or exploits by the author or elsewhere. All content (c).  
  
hyp3rlinx