rhsa-2021_3653
Vulnerability from csaf_redhat
Published
2021-09-23 17:14
Modified
2024-11-15 11:56
Summary
Red Hat Security Advisory: Red Hat Advanced Cluster Management 2.1.11 security fix and container updates

Notes

Topic
Red Hat Advanced Cluster Management for Kubernetes 2.1.11 General Availability release images, which provide a security fix and update the container images. Red Hat Product Security has rated this update as having a security impact of Low. 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
Red Hat Advanced Cluster Management for Kubernetes 2.1.11 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains updates to one or more container images for Red Hat Advanced Cluster Management for Kubernetes. See the following Release Notes documentation, which will be updated shortly for this release, for additional details about this release: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.1/html/release_notes/ Security fix: * management-ingress-container: nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Container updates: * RHACM 2.1.11 images (BZ# 1999375)
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.


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{
  "document": {
    "aggregate_severity": {
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      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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        "url": "https://www.first.org/tlp/"
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    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Red Hat Advanced Cluster Management for Kubernetes 2.1.11 General Availability release images, which provide a security fix and update the container images.\n\nRed Hat Product Security has rated this update as having a security impact\nof Low. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat Advanced Cluster Management for Kubernetes 2.1.11 images\n\nRed Hat Advanced Cluster Management for Kubernetes provides the\ncapabilities to address common challenges that administrators and site\nreliability engineers face as they work across a range of public and\nprivate cloud environments. Clusters and applications are all visible and\nmanaged from a single console\u2014with security policy built in.\n\nThis advisory contains updates to one or more container images for Red Hat\nAdvanced Cluster Management for Kubernetes. See the following Release Notes\ndocumentation, which will be updated shortly for this release, for additional\ndetails about this release:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.1/html/release_notes/\n\nSecurity fix:\n\n* management-ingress-container: nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017)\n\nFor more details about the security issue, including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section.\n\nContainer updates:\n\n* RHACM 2.1.11 images (BZ# 1999375)",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
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    "references": [
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        "category": "self",
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        "url": "https://access.redhat.com/errata/RHSA-2021:3653"
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        "summary": "1963121",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1963121"
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        "summary": "1999375",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1999375"
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      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3653.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat Advanced Cluster Management 2.1.11 security fix and container updates",
    "tracking": {
      "current_release_date": "2024-11-15T11:56:15+00:00",
      "generator": {
        "date": "2024-11-15T11:56:15+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
        }
      },
      "id": "RHSA-2021:3653",
      "initial_release_date": "2021-09-23T17:14:15+00:00",
      "revision_history": [
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          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
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  },
  "product_tree": {
    "branches": [
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        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Advanced Cluster Management for Kubernetes 2.1 for RHEL 8",
                "product": {
                  "name": "Red Hat Advanced Cluster Management for Kubernetes 2.1 for RHEL 8",
                  "product_id": "8Base-RHACM-2.1",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:acm:2.1::el8"
                  }
                }
              }
            ],
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          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "rhacm2/acm-must-gather-rhel8@sha256:19f9e374bbf3621b51a37ec23aaf88651c68321644984e27ea277e364d8a7712_amd64",
                "product": {
                  "name": "rhacm2/acm-must-gather-rhel8@sha256:19f9e374bbf3621b51a37ec23aaf88651c68321644984e27ea277e364d8a7712_amd64",
                  "product_id": "rhacm2/acm-must-gather-rhel8@sha256:19f9e374bbf3621b51a37ec23aaf88651c68321644984e27ea277e364d8a7712_amd64",
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                  }
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        },
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        "relates_to_product_reference": "8Base-RHACM-2.1"
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-23017",
      "cwe": {
        "id": "CWE-193",
        "name": "Off-by-one Error"
      },
      "discovery_date": "2021-05-19T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1963121"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in nginx. An off-by-one error while processing DNS responses allows a network attacker to write a dot character out of bounds in a heap allocated buffer which can allow overwriting the least significant byte of next heap chunk metadata likely leading to a remote code execution in certain circumstances. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name",
          "title": "Vulnerability summary"
        },
        {
          "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": [
          "8Base-RHACM-2.1:rhacm2/acm-must-gather-rhel8@sha256:19f9e374bbf3621b51a37ec23aaf88651c68321644984e27ea277e364d8a7712_amd64"
        ]
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-23017"
        },
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          "category": "external",
          "summary": "RHBZ#1963121",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1963121"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-23017",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-23017"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-23017",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23017"
        }
      ],
      "release_date": "2021-05-25T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-09-23T17:14:15+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\n*Important:* This upgrade of Red Hat Advanced Cluster Management for Kubernetes \nis not supported when you are running Red Hat Advanced Cluster Management on \nRed Hat OpenShift Container Platform version 4.5. To apply this upgrade, you \nmust upgrade your OpenShift Container Platform version to 4.6, or later. \n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.1/html/install/installing#upgrading-by-using-the-operator",
          "product_ids": [
            "8Base-RHACM-2.1:rhacm2/acm-must-gather-rhel8@sha256:19f9e374bbf3621b51a37ec23aaf88651c68321644984e27ea277e364d8a7712_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:3653"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "8Base-RHACM-2.1:rhacm2/acm-must-gather-rhel8@sha256:19f9e374bbf3621b51a37ec23aaf88651c68321644984e27ea277e364d8a7712_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name"
    }
  ]
}


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