CVE-2019-9837
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.5.5-1 |
| sid | Fixed | 1.5.5-1 |
| forky | Fixed | 1.5.5-1 |
| bullseye | Fixed | 1.5.5-1 |
| bookworm | Fixed | 1.5.5-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | doorkeeper-openid_connect | !< 1.4.0||<>= 1.5.4 | >= 1.5.4 |
| RubyGems | doorkeeper-openid_connect | >=1.4.0,<1.5.4 | 1.5.4 |
References
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md#v154-2019-02-15
- https://nvd.nist.gov/vuln/detail/CVE-2019-9837
- 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
- https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md
- https://security-tracker.debian.org/tracker/CVE-2019-9837
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.