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CVE-2019-9837

Publication date 21 March 2019

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

6.1 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
ruby-doorkeeper-openid-connect 19.04 disco
Fixed 1.5.5-1
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes


ebarretto

It looks like version < 1.4.x are not affected as they don't redirect to another uri.

Severity score breakdown

Parameter Value
Base score 6.1 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N