CVE-2020-27846

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

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/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/', 'name': 'FEDORA-2020-968067abfa', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'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'}
  • () 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/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI/ -
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

grafana

  • grafana

redhat

  • openshift_container_platform
  • openshift_service_mesh
  • enterprise_linux

fedoraproject

  • fedora

saml_project

  • saml
CWE
CWE-115

Misinterpretation of Input