CVE-2019-11027 Information

Description

Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to critical depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the \example app\ provided by the project are at highest risk.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/openid/ruby-openid/issues/122 https://lists.debian.org/debian-lts-announce/2019/10/msg00014.html https://marc.info/?l=openid-security&m=155154717027534&w=2 https://security.gentoo.org/glsa/202003-09

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8