Vulnerability-Lookup

RHSA-2022_0002

Vulnerability from csaf_redhat - Published: 2022-01-03 07:54 - Updated: 2024-12-17 21:52

Summary

Red Hat Security Advisory: grafana security update

Severity

Important

Notes

Topic: An update for grafana is now available for Red Hat Enterprise Linux 8.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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. Security Fix(es): * golang: net/http: limit growth of header canonicalization cache (CVE-2021-44716) 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.

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.

CVE-2021-44716

There's an uncontrolled resource consumption flaw in golang's net/http library in the canonicalHeader() function. An attacker who submits specially crafted requests to applications linked with net/http's http2 functionality could cause excessive resource consumption that could lead to a denial of service or otherwise impact to system performance and resources.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-400 - Uncontrolled Resource Consumption

Affected products

Fixed 9 products

Product	Version	Remediation
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.src	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.x86_64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.aarch64	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.ppc64le	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.s390x	—	Vendor Fix fix Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.x86_64	—	Vendor Fix fix Workaround

Threats

Impact Important

References

9 references

URL	Category
https://access.redhat.com/errata/RHSA-2022:0002	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=2030801	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2021-44716	self
https://bugzilla.redhat.com/show_bug.cgi?id=2030801	external
https://www.cve.org/CVERecord?id=CVE-2021-44716	external
https://nvd.nist.gov/vuln/detail/CVE-2021-44716	external
https://groups.google.com/g/golang-announce/c/hcm…	external

JSON

To clipboard

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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
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        {
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          "text": "For OpenShift Container Platform, OpenShift Virtualization, Red Hat Quay and OpenShift distributed tracing the most an attacker can possibly achieve by exploiting this vulnerability is to crash a container, temporarily impacting availability of one or more services. Therefore impact is rated Moderate.\n\nIn its default configuration, grafana as shipped in Red Hat Enterprise Linux 8 is not affected by this vulnerability. However, enabling http2 in /etc/grafana/grafana.ini explicitly would render grafana affected, therefore grafana has been marked affected.",
          "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.",
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            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2022:0002"
        },
        {
          "category": "workaround",
          "details": "This flaw can be mitigated by disabling HTTP/2. Setting the GODEBUG=http2server=0 environment variable before calling Serve will disable HTTP/2 unless it was manually configured through the golang.org/x/net/http2 package.",
          "product_ids": [
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.aarch64",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.ppc64le",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.s390x",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.src",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.x86_64",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.aarch64",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.ppc64le",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.s390x",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.aarch64",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.ppc64le",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.s390x",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.src",
            "AppStream-8.4.0.Z.EUS:grafana-0:7.3.6-4.el8_4.x86_64",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.aarch64",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.ppc64le",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.s390x",
            "AppStream-8.4.0.Z.EUS:grafana-debuginfo-0:7.3.6-4.el8_4.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "golang: net/http: limit growth of header canonicalization cache"
    }
  ]
}

CVE-2021-44716 (GCVE-0-2021-44716)

Vulnerability from cvelistv5 – Published: 2022-01-01 00:00 – Updated: 2024-08-04 04:32

Summary

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

7 references

URL	Tags
https://groups.google.com/g/golang-announce/c/hcm…
https://security.netapp.com/advisory/ntap-2022012…
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://security.gentoo.org/glsa/202208-02	vendor-advisory
https://cert-portal.siemens.com/productcert/pdf/s…
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:32:12.278Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k"
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            "url": "https://security.netapp.com/advisory/ntap-20220121-0002/"
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            "name": "[debian-lts-announce] 20230419 [SECURITY] [DLA 3395-1] golang-1.11 security update",
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              "mailing-list",
              "x_transferred"
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        "title": "CVE Program Container"
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          "vendor": "n/a",
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      },
      "references": [
        {
          "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k"
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          "url": "https://security.netapp.com/advisory/ntap-20220121-0002/"
        },
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    "datePublished": "2022-01-01T00:00:00.000Z",
    "dateReserved": "2021-12-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:32:12.278Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2022_0002

CVE-2021-44716 (GCVE-0-2021-44716)

Tags

Sightings

Nomenclature