Arch Linux Security Advisory ASA-201412-2
Date : 2014-12-02
CVE-ID : CVE-2014-8104
Package : openvpn
Type : denial of service
Remote : Yes
Link : https://wiki.archlinux.org/index.php/CVE-2014
The package openvpn before version 2.3.6-1 is vulnerable to denial of
Upgrade to 2.3.6-1.
# pacman -Syu “openvpn>=2.3.6-1”
The problem has been fixed upstream  in version 2.3.6.
It was discovered that an authenticated client could trigger an ASSERT()
in OpenVPN by sending a too-short control channel packet to the server.
This could cause the OpenVPN server to crash and deny access to the VPN
to other legitimate users.
A remote authenticated attacker could send specially crafted packets
that could cause the OpenVPN server to crash leading to denial of
service of other legitimate users.