rhsa-2019_3132
Vulnerability from csaf_redhat
Published
2019-10-16 15:37
Modified
2024-11-22 13:52
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.1.20 openshift security update

Notes

Topic
An update for openshift is now available for Red Hat OpenShift Container Platform 4.1. 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
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the openshift RPM package for Red Hat OpenShift Container Platform 4.1.20. Security Fix(es): * kubernetes: YAML parsing vulnerable to "Billion Laughs" attack, allowing for remote denial of service (CVE-2019-11253) 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.


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  "vulnerabilities": [
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      "cwe": {
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        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-10-01T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1757701"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found kubernetes. The parsing of YAML manifests by the Kubernetes API server could lead to a denial-of-service attack leaving it vulnerable to an instance of a \"billion laughs\" attack. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kubernetes: YAML parsing vulnerable to \"Billion Laughs\" attack, allowing for remote denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "For Red Hat OpenStack Platform, because kubernetes is not directly used in director-operator, the RHOSP Impact has been moved to Moderate.",
          "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"
        }
      ],
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-11253"
        },
        {
          "category": "external",
          "summary": "RHBZ#1757701",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1757701"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-11253",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-11253"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-11253",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11253"
        },
        {
          "category": "external",
          "summary": "https://www.stackrox.com/post/2019/09/protecting-kubernetes-api-against-cve-2019-11253-billion-laughs-attack/",
          "url": "https://www.stackrox.com/post/2019/09/protecting-kubernetes-api-against-cve-2019-11253-billion-laughs-attack/"
        }
      ],
      "release_date": "2019-09-28T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-10-16T15:37:03+00:00",
          "details": "For OpenShift Container Platform 4.1 see the following documentation, which\nwill be updated shortly for release 4.1.20, for important instructions on\nhow to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.openshift.com/container-platform/4.1/release_notes/ocp-4-1-release-notes.html",
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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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
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            "7Server-RH7-RHOSE-4.1:openshift-0:4.1.20-201910101746.git.0.a80aad5.el7.src",
            "7Server-RH7-RHOSE-4.1:openshift-clients-0:4.1.20-201910101746.git.0.a80aad5.el7.x86_64",
            "7Server-RH7-RHOSE-4.1:openshift-clients-redistributable-0:4.1.20-201910101746.git.0.a80aad5.el7.x86_64",
            "7Server-RH7-RHOSE-4.1:openshift-hyperkube-0:4.1.20-201910101746.git.0.a80aad5.el7.x86_64",
            "8Base-RHOSE-4.1:openshift-0:4.1.20-201910101746.git.0.a80aad5.el8.src",
            "8Base-RHOSE-4.1:openshift-clients-0:4.1.20-201910101746.git.0.a80aad5.el8.x86_64",
            "8Base-RHOSE-4.1:openshift-clients-redistributable-0:4.1.20-201910101746.git.0.a80aad5.el8.x86_64",
            "8Base-RHOSE-4.1:openshift-hyperkube-0:4.1.20-201910101746.git.0.a80aad5.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kubernetes: YAML parsing vulnerable to \"Billion Laughs\" attack, allowing for remote denial of service"
    }
  ]
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • 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.