Vulnerability-Lookup

RHSA-2022_0842

Vulnerability from csaf_redhat - Published: 2022-03-14 09:21 - Updated: 2024-12-17 21:54

Summary

Red Hat Security Advisory: Release of containers for OSP 16.2 director operator tech preview

Severity

Important

Notes

Topic: Red Hat OpenStack Platform 16.2 (Train) director Operator containers are available for technology preview.

Details: Release osp-director-operator images 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 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

Vendor Fix OSP 16.2.z Release - OSP Director Operator Containers https://access.redhat.com/errata/RHSA-2022:0842

Workaround 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.

References

URL

Category

	https://access.redhat.com/errata/RHSA-2022:0842	self
	https://access.redhat.com/security/updates/classi…	external
	https://bugzilla.redhat.com/show_bug.cgi?id=2025995	external
	https://bugzilla.redhat.com/show_bug.cgi?id=2030801	external
	https://bugzilla.redhat.com/show_bug.cgi?id=2036784	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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      "cwe": {
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        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2021-12-09T00:00:00+00:00",
      "flags": [
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          ]
        }
      ],
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          "text": "2030801"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "There\u0027s an uncontrolled resource consumption flaw in golang\u0027s net/http library in the canonicalHeader() function. An attacker who submits specially crafted requests to applications linked with net/http\u0027s http2 functionality could cause excessive resource consumption that could lead to a denial of service or otherwise impact to system performance and resources.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: net/http: limit growth of header canonicalization cache",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "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.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "8Base-RHOS-16.2:rhosp-rhel8-tech-preview/osp-director-operator@sha256:c568b85c3ba94e4a518bb31565442b6966df7cb8dfe478f8b075b66adbce9e60_amd64"
        ],
        "known_not_affected": [
          "8Base-RHOS-16.2:rhosp-rhel8-tech-preview/osp-director-operator-bundle@sha256:5e2a1b819843c4fa2e2bddb66452bba3cf95ee062a52004084e0d49cbe3f1b4e_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-44716"
        },
        {
          "category": "external",
          "summary": "RHBZ#2030801",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2030801"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-44716",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-44716"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-44716",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44716"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k",
          "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k"
        }
      ],
      "release_date": "2021-12-09T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-03-14T09:21:30+00:00",
          "details": "OSP 16.2.z Release - OSP Director Operator Containers",
          "product_ids": [
            "8Base-RHOS-16.2:rhosp-rhel8-tech-preview/osp-director-downloader@sha256:9294f65ac5fa0a56b89f5ceb777f25c10c5eb155929db438ef879ac96124bdbd_amd64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2022:0842"
        },
        {
          "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": [
            "8Base-RHOS-16.2:rhosp-rhel8-tech-preview/osp-director-downloader@sha256:9294f65ac5fa0a56b89f5ceb777f25c10c5eb155929db438ef879ac96124bdbd_amd64",
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          ]
        }
      ],
      "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": [
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            "8Base-RHOS-16.2:rhosp-rhel8-tech-preview/osp-director-operator-bundle@sha256:5e2a1b819843c4fa2e2bddb66452bba3cf95ee062a52004084e0d49cbe3f1b4e_amd64",
            "8Base-RHOS-16.2:rhosp-rhel8-tech-preview/osp-director-operator@sha256:c568b85c3ba94e4a518bb31565442b6966df7cb8dfe478f8b075b66adbce9e60_amd64"
          ]
        }
      ],
      "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

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",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20220121-0002/"
          },
          {
            "name": "[debian-lts-announce] 20220121 [SECURITY] [DLA 2891-1] golang-1.8 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html"
          },
          {
            "name": "[debian-lts-announce] 20220121 [SECURITY] [DLA 2892-1] golang-1.7 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html"
          },
          {
            "name": "GLSA-202208-02",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202208-02"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf"
          },
          {
            "name": "[debian-lts-announce] 20230419 [SECURITY] [DLA 3395-1] golang-1.11 security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-19T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20220121-0002/"
        },
        {
          "name": "[debian-lts-announce] 20220121 [SECURITY] [DLA 2891-1] golang-1.8 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html"
        },
        {
          "name": "[debian-lts-announce] 20220121 [SECURITY] [DLA 2892-1] golang-1.7 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html"
        },
        {
          "name": "GLSA-202208-02",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202208-02"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf"
        },
        {
          "name": "[debian-lts-announce] 20230419 [SECURITY] [DLA 3395-1] golang-1.11 security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-44716",
    "datePublished": "2022-01-01T00:00:00.000Z",
    "dateReserved": "2021-12-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:32:12.278Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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_0842

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

Tags

Sightings

Nomenclature