rhsa-2021_1859
Vulnerability from csaf_redhat
Published
2021-05-18 14:45
Modified
2024-11-05 23:35
Summary
Red Hat Security Advisory: grafana security, bug fix, and enhancement update

Notes

Topic
An update for grafana is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. The following packages have been upgraded to a later upstream version: grafana (7.3.6). (BZ#1850471) Security Fix(es): * crewjam/saml: authentication bypass in saml authentication (CVE-2020-27846) * grafana: XSS via a query alias for the Elasticsearch and Testdata datasource (CVE-2020-24303) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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        "text": "An update for grafana is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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        "text": "Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB \u0026 OpenTSDB. \n\nThe following packages have been upgraded to a later upstream version: grafana (7.3.6). (BZ#1850471)\n\nSecurity Fix(es):\n\n* crewjam/saml: authentication bypass in saml authentication (CVE-2020-27846)\n\n* grafana: XSS via a query alias for the Elasticsearch and Testdata datasource (CVE-2020-24303)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.",
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  "vulnerabilities": [
    {
      "cve": "CVE-2020-24303",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "discovery_date": "2020-10-28T00:00:00+00:00",
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          "text": "1892418"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in grafana. A XSS via a query alias for the ElasticSearch datasource is allowed.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "grafana: XSS via a query alias for the Elasticsearch and Testdata datasource",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A vulnerable version of Grafana is shipped in OpenShift 3.11 - 4.5 and OpenShift ServiceMesh, however Prometheus is used as a data source and modification to Elasticsearch or Testdata requires full control of the grafana component. Access is restricted to authenticated users only by OpenShift OAuth. As OpenShift and OpenShift ServiceMesh still packages the vulnerable code, the components are affected but with impact Low. OpenShift 4.6 uses version 7.2.0 of Grafana in openshift4/ose-grafana-container and is not affected.\n\nRed Hat Ceph Storage 3 and 4 ship a vulnerable version of grafana, however, Prometheus is used as the data source., and thus the impact is rated as low. \n\nRed Hat Gluster Storage 3 ships vulnerable version of grafana, however Graphite is the only supported data source and hence this issue has been rated as having a security impact of Low.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "url": "https://access.redhat.com/security/cve/CVE-2020-24303"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1892418"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-24303",
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        {
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-24303",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24303"
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        {
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          "summary": "https://github.com/grafana/grafana/pull/25401",
          "url": "https://github.com/grafana/grafana/pull/25401"
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      "release_date": "2020-06-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-05-18T14:45:11+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "grafana: XSS via a query alias for the Elasticsearch and Testdata datasource"
    },
    {
      "cve": "CVE-2020-27846",
      "cwe": {
        "id": "CWE-115",
        "name": "Misinterpretation of Input"
      },
      "discovery_date": "2020-12-15T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1907670"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "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.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crewjam/saml: authentication bypass in saml authentication",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Grafana in the OpenShift Container Platform (OCP) and OpenShift ServiceMesh) uses oauth-proxy as an Auth Proxy, and therefore does not make use of the vulnerable SAML Authentication in the github.com/crewjam/saml module used by Grafana. Additionally, SAML is only available in the enterprise version of grafana, but as the code is still packaged, it has been marked Low impact.\n\nRed Hat Gluster Storage 3, Red Hat Ceph Storage 2, 3 and 4 ships old versions of grafana where \u2018crewjam/saml\u2019 module is not included. Therefore these products are not affected by this vulnerability.\n\ngrafana as shipped with Red Hat Enterprise Linux 8 packages a vulnerable version of crewjam/saml but does not use it, as SAML is only available for the Enterprise version of grafana. For this reason, this flaw has been marked Low impact.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.aarch64",
          "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.ppc64le",
          "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.s390x",
          "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.src",
          "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.x86_64",
          "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.aarch64",
          "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.ppc64le",
          "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.s390x",
          "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-27846"
        },
        {
          "category": "external",
          "summary": "RHBZ#1907670",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1907670"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-27846",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-27846"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-27846",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27846"
        },
        {
          "category": "external",
          "summary": "https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9",
          "url": "https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9"
        },
        {
          "category": "external",
          "summary": "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/",
          "url": "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/"
        },
        {
          "category": "external",
          "summary": "https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/",
          "url": "https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/"
        }
      ],
      "release_date": "2020-12-17T13:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-05-18T14:45:11+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.aarch64",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.ppc64le",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.s390x",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.src",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.x86_64",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.aarch64",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.ppc64le",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.s390x",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:1859"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.aarch64",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.ppc64le",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.s390x",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.src",
            "AppStream-8.4.0.GA:grafana-0:7.3.6-2.el8.x86_64",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.aarch64",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.ppc64le",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.s390x",
            "AppStream-8.4.0.GA:grafana-debuginfo-0:7.3.6-2.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "crewjam/saml: authentication bypass in saml authentication"
    }
  ]
}


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