Add CVE-2019-9837 for doorkeeper-openid_connect (#393)

Author: Robert Schultheis

gems/doorkeeper-openid_connect/CVE-2019-9837.yml

@@ -0,0 +1,16 @@
+---
+gem: doorkeeper-openid_connect
+cve: 2019-9837
+date: 2019-03-25
+url: https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md#v154-2019-02-15
+title: Doorkeeper::OpenidConnect Open Redirect
+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.
+cvss_v3: 6.1
+patched_versions:
+  - ">= 1.5.4"
+unaffected_versions:
+  - "< 1.4.0"