CVE-2019-11027

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.

9.8

CVSS

Severity: Critical

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.83% Top 20%

Vendor Advisory gentoo.org

Affected: n/a n/a

References

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

Frequently Asked Questions

What is the severity of CVE-2019-11027?: CVE-2019-11027 has been scored as a critical severity vulnerability.
How to fix CVE-2019-11027?: To fix CVE-2019-11027, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-11027 being actively exploited in the wild?: It is possible that CVE-2019-11027 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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