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.
Vulnerability category: Open redirect
Products affected by CVE-2019-9837
- cpe:2.3:a:openid:openid_connect:*:*:*:*:*:doorkeeper:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9837
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9837
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2019-9837
-
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9837
-
https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61
Open redirect vulnerability when `prompt=none` · Issue #61 · doorkeeper-gem/doorkeeper-openid_connect · GitHubThird Party Advisory
-
https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md
doorkeeper-openid_connect/CHANGELOG.md at master · doorkeeper-gem/doorkeeper-openid_connect · GitHubThird Party Advisory
-
https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66
Validate redirect_uri when handling custom params by toupeira · Pull Request #66 · doorkeeper-gem/doorkeeper-openid_connect · GitHubPatch;Third Party Advisory
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