CVE-2018-10381 Privilege escalation in n/a

Critical 9.8 Published Updated

A local attacker can escalate privileges to SYSTEM by exploiting the TunnelBearMaintenance service to load a malicious OpenVPN plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-10381?

CVE-2018-10381 is a critical vulnerability in n/a, published on 26 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

TunnelBear 3.2.0.6 for Windows suffers from a SYSTEM privilege escalation vulnerability through the "TunnelBearMaintenance" service. This service establishes a 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.

Weakness: CWE-732

Which versions are affected by CVE-2018-10381?

It affects 1 product.

Products include Mcafee Tunnelbear.

How do I fix CVE-2018-10381?

No fix has been published for CVE-2018-10381 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-10381 being exploited?

There is no known exploitation of CVE-2018-10381 in the wild and no public exploit code.

Sources

Also known as GHSA-mh68-r8rp-2j3j.

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