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CVE-2019-11027

Date: June 10, 2019

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.

Language: Ruby

Severity Score

Related Resources (11)

https://nvd.nist.gov/vuln/detail/CVE-2019-11027
https://github.com/openid/ruby-openid/issues/122
https://marc.info/?l=openid-security&m=155154717027534&w=2
https://lists.debian.org/debian-lts-announce/2019/10/msg00014.html
https://github.com/openid/ruby-openid/commit/d181a8a2099c64365a1d24b29f6b6b646673a131
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-openid/CVE-2019-11027.yml
https://security-tracker.debian.org/tracker/CVE-2019-11027
https://github.com/openid/ruby-openid
https://security.gentoo.org/glsa/202003-09
https://github.com/openid/ruby-openid/releases/tag/v2.9.0
https://www.mend.io/vulnerability-database/CVE-2019-11027

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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