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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/	Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20210205-0002/	Third Party Advisory
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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/
https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/	Exploit Third Party Advisory
https://security.netapp.com/advisory/ntap-20210205-0002/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:grafana:grafana:::::enterprise:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*
	cpe:2.3:a:grafana:grafana:::::enterprise:::*

Configuration 2 (hide)

cpe:2.3:a:saml_project:saml:*:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:a:redhat:openshift_container_platform:3.11:::::::*
	cpe:2.3:a:redhat:openshift_container_platform:4.0:::::::*
	cpe:2.3:a:redhat:openshift_service_mesh:2.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:32:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1907670 - Issue Tracking, Patch, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1907670 - Issue Tracking, Patch, Third Party Advisory
References	~~() https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 - Third Party Advisory~~	() https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9 - Third Party Advisory
References	~~() 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://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
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ -
References	~~() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ -~~	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ -
References	~~() https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ - Exploit, Third Party Advisory~~	() https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ - Exploit, Third Party Advisory
References	~~() https://security.netapp.com/advisory/ntap-20210205-0002/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20210205-0002/ - Third Party Advisory

07 Nov 2023, 03:21

Type	Values Removed	Values Added
References	{'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/', 'name': 'FEDORA-2020-64e54abd9f', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'} {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/', 'name': 'FEDORA-2020-968067abfa', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}	() https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM/ -

Information

Published : 2020-12-21 16:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27846

Mitre link : CVE-2020-27846

CVE.ORG link : CVE-2020-27846

JSON object : View

Products Affected

saml_project

saml

redhat

enterprise_linux
openshift_service_mesh
openshift_container_platform

grafana

grafana

fedoraproject

fedora

CWE

CWE-115

Misinterpretation of Input

9.8 /10