MiniUPnPc: Arbitrary code execution

Background

The client library, enabling applications to access the services provided by an UPnP “Internet Gateway Device” present on the network.

Description

An exploitable buffer overflow vulnerability exists in the XML parser functionality of the MiniUPnP library.

Impact

A remote attacker, by enticing a user to connect to a malicious server, could cause the execution of arbitrary code with the privileges of the user running a MiniUPnPc linked application.

Workaround

There is no known workaround at this time.

Resolution

All MiniUPnPc users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-libs/miniupnpc-2.0.20170509"