[CVE-2016-6582] Doorkeeper gem does not revoke tokens & uses wrong auth/auth method

Posted by Justin Bull on Aug 22

Good evening everyone,

A security bulletin for all of you.

Software:
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Doorkeeper (https://github.com/doorkeeper-gem/doorkeeper)

Description:
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Doorkeeper is an OAuth 2 provider for Rails written in Ruby.

Affected Versions:
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1.2.0 – 4.1.0 (all versions but latest patch supporting token revocation)

Fixed Versions:
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4.2.0 or apply this commit[0]

Problem:
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Doorkeeper failed to implement OAuth…