It is rather easy to prevent such unpleasant situations. You can gain details concerning it from reports on Russia TV-Channel.
Such situation may lead to problems - from fines to being taken into custody of you and your vehicle. It should be mentioned that in many countries national legislation still doesn't have all required information. In accordance with these amendments, international driving licenses shall contain additional data on its holder, which may be required by the police in case of road traffic disputable situations. In 2006 amendments were introduced into the Vienna Convention on Road Traffic dated.