rhsa-2021_0030
Vulnerability from csaf_redhat
Published
2021-01-13 17:27
Modified
2024-12-08 11:30
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.4.32 packages and security update

Notes

Topic
Red Hat OpenShift Container Platform release 4.4.32 is now available with updates to packages and images that fix several bugs and add enhancements. This release also includes a security update for Red Hat OpenShift Container Platform 4.4. 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
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Security Fix(es): * kubernetes: compromised node could escalate to cluster level privileges (CVE-2020-8559) 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. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.4.32. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHBA-2021:0029 All OpenShift Container Platform 4.4 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.4/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor.
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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        "text": "Red Hat OpenShift Container Platform release 4.4.32 is now available with\nupdates to packages and images that fix several bugs and add enhancements.\n\nThis release also includes a security update for Red Hat OpenShift Container Platform 4.4.\n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "the Kubernetes Product Security Committee"
          ]
        },
        {
          "names": [
            "Wouter ter Maat"
          ],
          "organization": "Offensi",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-8559",
      "cwe": {
        "id": "CWE-601",
        "name": "URL Redirection to Untrusted Site (\u0027Open Redirect\u0027)"
      },
      "discovery_date": "2020-06-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1851422"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Kubernetes API server, where it allows an attacker to escalate their privileges from a compromised node. This flaw allows an attacker who can intercept requests on a compromised node, to redirect those requests, along with their credentials, to perform actions on other endpoints that trust those credentials (including other clusters), allowing for escalation of privileges. The highest threat from this vulnerability is to confidentiality, integrity, and system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kubernetes: compromised node could escalate to cluster level privileges",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Kubernetes is embedded in the version of heketi shipped with Red Hat Gluster Storage 3. However, it does not use Kubernetes API server part and only uses client side bits. Hence, this flaw does not affect heketi.",
          "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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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-8559"
        },
        {
          "category": "external",
          "summary": "RHBZ#1851422",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1851422"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8559",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-8559"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8559",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8559"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs",
          "url": "https://groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs"
        }
      ],
      "release_date": "2020-07-15T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-01-13T17:27:09+00:00",
          "details": "For OpenShift Container Platform 4.4 see the following documentation, which\nwill be updated shortly for this release, for important instructions on how\nto upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.openshift.com/container-platform/4.4/release_notes/ocp-4-4-release-notes.html\n\nDetails on how to access this content are available at\nhttps://docs.openshift.com/container-platform/4.4/updating/updating-cluster-cli.html.",
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            "7Server-RH7-RHOSE-4.4:openshift-hyperkube-0:4.4.0-202012052258.p0.git.0.0fd57a4.el7.s390x",
            "7Server-RH7-RHOSE-4.4:openshift-hyperkube-0:4.4.0-202012052258.p0.git.0.0fd57a4.el7.x86_64",
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          "restart_required": {
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        },
        {
          "category": "workaround",
          "details": "No mitigation is known.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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            "7Server-RH7-RHOSE-4.4:openshift-hyperkube-0:4.4.0-202012052258.p0.git.0.0fd57a4.el7.ppc64le",
            "7Server-RH7-RHOSE-4.4:openshift-hyperkube-0:4.4.0-202012052258.p0.git.0.0fd57a4.el7.s390x",
            "7Server-RH7-RHOSE-4.4:openshift-hyperkube-0:4.4.0-202012052258.p0.git.0.0fd57a4.el7.x86_64",
            "8Base-RHOSE-4.4:openshift-0:4.4.0-202012052258.p0.git.0.0fd57a4.el8.src",
            "8Base-RHOSE-4.4:openshift-hyperkube-0:4.4.0-202012052258.p0.git.0.0fd57a4.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "kubernetes: compromised node could escalate to cluster level privileges"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.