Home | Research | Resources | Advisories | TunnelBear for Windows
Privilege Escalation
CVE ID
CVE-2018-10381
VENDOR
McAfee
PRODUCT
TunnelBear
Product version
3.2.0.6
Vulnerability Details
TunnelBear for Windows suffers from a SYSTEM privilege escalation vulnerability through the TunnelBearMaintenanceservice. This service establishes an NetNamedPipe endpoint that allows arbitrary installed applications to connect and call publicly exposed methods. The OpenVPNConnect method accepts a server list argument that provides attacker control of the OpenVpn command line. An attacker can specify a dynamic library plugin that should run for every new VPN connection attempt. This plugin will execute code in the context of the SYSTEM user.
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Vendor response
The vendor has released an update
Disclosure timeline
04-17-2018 - Vendor disclosure via email 04-17-2018 - Vendor disclosure via email 04-17-2018 - Vendor notified via Facebook 04-18-2018 - Vendor response and follow up via Facebook 04-18-2018 - Vendor submits update and requests additional exploitation details 04-18-2018 - VerSprite verifies vulnerability unresolved and submits detailed exploitation documentation 04-19-2018 - Vendor response "Team reviewing documentation" 04-19-2018 - Vendor submits an update for testing and requests testing data 04-20-2018 - VerSprite verifies vulnerability resolution and submits testing data 04-23-2018 - Vendor response and followup 04-25-2018 - Vendor notified of the advisory release 04-25-2018 - Vendor follow up
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