Exploits / Vulnerability Discovered : 2019-11-13 |
Type : local |
Platform : windows
This exploit / vulnerability Scanguard antivirus 2020 insecure folder permissions is for educational purposes only and if it is used you will do on your own risk!
[Security Issue]
Scanguard through 2019-11-12 on Windows has Insecure Permissions for the installation directory, leading to
privilege escalation via a Trojan horse executable file.
The product sets weak access control restrictions, as permissions are set to Full Control for Everyone group.
This can allow low integrity malware the ability to replace ScanGuard executables.
C:\Program Files (x86)\ScanGuard\bins BUILTIN\Users:(OI)(CI)(ID)F
Everyone:(OI)(CI)(ID)F
NT SERVICE\TrustedInstaller:(ID)F
NT SERVICE\TrustedInstaller:(CI)(IO)(ID)F
NT AUTHORITY\SYSTEM:(ID)F
[Disclosure Timeline]
Vendor Notification: September 16, 2019
Received vendor acknowledgement: September 16, 2019
Second contact follow up: September 29, 2019
No more vendor replies.
November 12, 2019 : 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).