Free: Contests & Raffles.
I think in a boot you are SOL. It is likely a break in a seam somewhere. I have had the same problem, in one foot only.
It's been my experience that the better built more expensive boots w/ goretex last a lot longer than cheap boots. I have a pair of Gore-Tex Matterhorns that I've worn everywhere for 6 years and they're still waterproof. Had a pair of Danner Pronghorns w/ goretex and they lasted just over one season.