Vulnerability Monitor

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CVE-2020-27846

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.

Published

2020-12-21T16:15:13.067

Last Modified

2024-11-21T05:21:55.503

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-115

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	grafana	grafana	< 6.7.5	Yes
Application	grafana	grafana	< 7.2.3	Yes
Application	grafana	grafana	< 7.3.6	Yes
Application	saml_project	saml	< 0.4.3	Yes
Application	redhat	openshift_container_platform	3.11	Yes
Application	redhat	openshift_container_platform	4.0	Yes
Application	redhat	openshift_service_mesh	2.0	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	fedoraproject	fedora	32	Yes
Operating System	fedoraproject	fedora	33	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=1907670 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 Third Party Advisory ([email protected])
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 ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ ([email protected])
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ Exploit, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210205-0002/ Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1907670 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
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 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ (af854a3a-2127-422b-91ae-364da2661108)
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210205-0002/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)