Provide references for CVE-2017-6967.
Where can I find more information about CVE-2017-6967?
References are available at: https://github.com/neutrinolabs/xrdp/issues/350, https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742, https://github.com/neutrinolabs/xrdp/pull/694.