full-disclosure - [FD] SUPERAntiSpyware Professional X Trial < 10.0.1206 Local Privilege Escalation

Open Source and information security mailing list archives

Date: Wed, 26 Aug 2020 17:01:30 +0630
From: b1nary <thebinary0x1@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] SUPERAntiSpyware Professional X Trial < 10.0.1206 Local
	Privilege Escalation

# Vulnerability Description
SUPERAntiSpyware Professional X Trial versions prior to 10.0.1206 are
vulnerable to local privilege escalation because it allows unprivileged
users to restore quarantined files to a privileged location through a NTFS
directory junction.

# Home Page
https://www.superantispyware.com/

# Author: b1nary

# Proof of Concept

   1. Place a dll payload in an empty folder
   2. Scan the payload with the SUPERAntiSpyware Professional X Trial in
   order to get it detected.
   3. Once it is detected and moved to quarantine, create a NTFS directory
   junction.
   4. Restore the payload and reboot the system.

Full PoC video: https://www.youtube.com/watch?v=jdcqbev-H5I

# Timeline

   - 16-07-2020 - Vulnerability discovered
   - 16-07-2020 - Notified the vendor via support form (vendor did not
   response)
   - 19-07-2020 - Notified the vendor via email (vendor did not response)
   - 25-07-2020 - Vulnerability report to CERT/CC (VRF#20-07-GBPVY)
   - 25-08-2020 - Vulnerability Disclosed

# References

https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-quarantine/

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