Launch Week Day 1: Announcing Security Design Review
MEDIUM 6.1 RubyGems

Doorkeeper-openid_connect contains Open Redirect

GHSA-vv4c-g6q7-p3q7 · CVE-2019-9837

Published · Modified

Description

Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization request (that results in an error response) with the 'openid' scope and a prompt=none value. This allows phishing attacks against the authorization flow.

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