Vulnerability Details CVE-2019-9837
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.7%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 5.8
References
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66
Products affected by CVE-2019-9837
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cpe:2.3:a:openid:openid_connect:1.4.0
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cpe:2.3:a:openid:openid_connect:1.5.0
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cpe:2.3:a:openid:openid_connect:1.5.1
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cpe:2.3:a:openid:openid_connect:1.5.2
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cpe:2.3:a:openid:openid_connect:1.5.3