CVE-2020-27846 - Misinterpretation of Input

Severity

98%

Complexity

39%

Confidentiality

98%

A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS 3.1 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 9.9. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C).

Overview

Type

Red Hat

First reported 4 years ago

2020-12-21 16:15:00

Last updated 4 years ago

2020-12-23 16:03:00

Affected Software

Red Hat OpenShift Container Platform 3.11

3.11

Red Hat Openshift Container Platform 4.0

4.0

Red Hat Enterprise Linux 8.0

8.0

References

https://bugzilla.redhat.com/show_bug.cgi?id=1907670

https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9

https://grafana.com/blog/2020/12/17/grafana-6.7.5-7.2.3-and-7.3.6-released-with-important-security-fix-for-grafana-enterprise/

https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/

https://bugzilla.redhat.com/show_bug.cgi?id=1907670

Issue Tracking, Patch, Third Party Advisory

https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9

Third Party Advisory

https://grafana.com/blog/2020/12/17/grafana-6.7.5-7.2.3-and-7.3.6-released-with-important-security-fix-for-grafana-enterprise/

Vendor Advisory

https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/

Exploit, Third Party Advisory

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