Not knowing the exact vehicle (on the other side of the world), I would suggest having a look at the brake switch which will be on the top of the brake pedal arm. Your switch may be out of adjustment, or damaged.
This is the first place to start, and if its a brake light switch, most auto electricians should be able to supply them for less than $20US,
The 2012 Dodge Durango has 58.3 in. of rear shoulder room.
The 2013 Dodge Durango has 39.8 in. of rear head room.
The 2003 Dodge Durango has 57.5 in. of rear shoulder room.
The 2011 Dodge Durango has 38.6 in. of rear leg room.
The 2013 Dodge Durango has 42.8 in. of rear hip room.
The 2013 Dodge Durango has 38.6 in. of rear leg room.
The 2014 Dodge Durango has 39.8 in. of rear head room.
The 2012 Dodge Durango has 56.0 in. of rear hip room.
The 2009 Dodge Durango has 57.2 in. of rear hip room.
The 2013 Dodge Durango has 50.4 in. of rear shoulder room.
The 2008 Dodge Durango has 39.2 in. of rear head room.
The 2009 Dodge Durango has 37.4 in. of rear leg room.