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Review request for mesos and Alexander Rukletsov. Repository: mesos Description ------- A vulnerability in our JWT implementation allows an unauthenticated remote attacker to execute to execute timing [attacks](https://codahale.com/a-lesson-in-timing-attacks/). This patch removes the vulnerability by adding a constant time comparison of hashes, where the whole message is visited during the comparison instead of returning at the first failure. Diffs ----- 3rdparty/libprocess/src/jwt.cpp 4477ddd17dede2b924a47e33942b39244f10316f Diff: https://reviews.apache.org/r/67357/diff/1/ Testing ------- ```sh make check ``` Thanks, Alexander Rojas
