rhsa-2021_3001
Vulnerability from csaf_redhat
Published
2021-08-03 20:28
Modified
2024-11-13 22:22
Summary
Red Hat Security Advisory: Red Hat OpenShift Container Platform for Windows Containers 3.0.0 security and bug fix update

Notes

Topic
The components for Red Hat OpenShift Container Platform for Windows Containers 3.0.0 are now available. 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
Windows Container Support for Red Hat OpenShift allows you to deploy Windows container workloads running on Windows Server containers. Security Fix(es): * containernetworking-cni: Arbitrary path injection via type field in CNI configuration (CVE-2021-20206) 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. Bug Fix(es): * LB service unstable with multiple Windows nodes and pods (BZ#1905950) * WMCO patch pub-key-hash annotation to Linux node (BZ#1930791) * kube-proxy service terminated unexpectedly after recreated LB service (BZ#1939968) * Telemetry info not completely available to identify windows nodes (BZ#1948037) * LoadBalancer Service type with invalid external loadbalancer IP breaks the datapath (BZ#1952914) * WMCO incorrectly shows node as ready after a failed configuration (BZ#1953692) * Windows pod with a Projected Volume is stuck at ContainerCreating (BZ#1971745)
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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{
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      "text": "Moderate"
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    "category": "csaf_security_advisory",
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "The components for Red Hat OpenShift Container Platform for Windows Containers 3.0.0 are now available.\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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Windows Container Support for Red Hat OpenShift allows you to deploy\nWindows container workloads running on Windows Server containers.\n\nSecurity Fix(es):\n\n* containernetworking-cni: Arbitrary path injection via type field in CNI configuration (CVE-2021-20206)\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\nBug Fix(es):\n\n* LB service unstable with multiple Windows nodes and pods (BZ#1905950)\n\n* WMCO patch pub-key-hash annotation to Linux node (BZ#1930791)\n\n* kube-proxy service terminated unexpectedly after recreated LB service (BZ#1939968)\n\n* Telemetry info not completely available to identify windows nodes (BZ#1948037)\n\n* LoadBalancer Service type with invalid external loadbalancer IP breaks the datapath (BZ#1952914)\n\n* WMCO incorrectly shows node as ready after a failed configuration (BZ#1953692)\n\n* Windows pod with a Projected Volume is stuck at ContainerCreating (BZ#1971745)",
        "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"
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        "summary": "1983153",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1983153"
      },
      {
        "category": "external",
        "summary": "WINC-618",
        "url": "https://issues.redhat.com/browse/WINC-618"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3001.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat OpenShift Container Platform for Windows Containers 3.0.0 security and bug fix update",
    "tracking": {
      "current_release_date": "2024-11-13T22:22:59+00:00",
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          "summary": "Initial version"
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          "summary": "Last updated version"
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Casey Callendrello"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2021-20206",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "discovery_date": "2021-01-22T00:00:00+00:00",
      "flags": [
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          "product_ids": [
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          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1919391"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An improper limitation of path name flaw was found in containernetworking/cni. When specifying the plugin to load in the `type` field in the network configuration, it is possible to use special elements such as \"../\" separators to reference binaries elsewhere on the system. This flaw allows an attacker to execute other existing binaries other than the cni plugins/types, such as `reboot`. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "containernetworking-cni: Arbitrary path injection via type field in CNI configuration",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift ServiceMesh (OSSM) does package a vulnerable version of containernetworking/cni, however, the NetworkDefinitionAttachment is defined in code and cannot be easily changed except through a user who has access to the operator namespace such as cluster-admin. As such, for OSSM, the impact is Moderate.\n\nThe fix for podman was released as a part of OpenShift 4.8 and is included in future releases.",
          "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": [
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        ],
        "known_not_affected": [
          "8Base-RHOSE-4.8:openshift4-wincw/windows-machine-config-operator-bundle@sha256:d6d2bcc5bb80900b446c020d8d800bb3831e7bd247f0b0363291f09b908b4d9c_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-20206"
        },
        {
          "category": "external",
          "summary": "RHBZ#1919391",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919391"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-20206",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-20206"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-20206",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20206"
        }
      ],
      "release_date": "2021-02-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-08-03T20:28:58+00:00",
          "details": "For Windows Machine Config Operator upgrades, see the following documentation:\nhttps://docs.openshift.com/container-platform/latest/windows_containers/windows-node-upgrades.html",
          "product_ids": [
            "8Base-RHOSE-4.8:openshift4-wincw/windows-machine-config-rhel8-operator@sha256:519418c1b39d6c73761e631ca7133035f210878e00711c2c841c564130ddf13e_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:3001"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "8Base-RHOSE-4.8:openshift4-wincw/windows-machine-config-rhel8-operator@sha256:519418c1b39d6c73761e631ca7133035f210878e00711c2c841c564130ddf13e_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "containernetworking-cni: Arbitrary path injection via type field in CNI configuration"
    }
  ]
}


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