rhsa-2019_4090
Vulnerability from csaf_redhat
Published
2019-12-17 07:39
Modified
2024-11-22 14:16
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.1 libseccomp-golang security update

Notes

Topic
An update for openshift-enterprise-cli-container, openshift-enterprise-hyperkube-container, openshift-enterprise-hypershift-container, openshift-enterprise-node-container, and ose-cli-artifacts-container 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 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): * libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions (CVE-2017-18367) 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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      "cwe": {
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        "name": "Authentication Bypass by Primary Weakness"
      },
      "discovery_date": "2019-04-25T00:00:00+00:00",
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          "text": "1706826"
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          "category": "description",
          "text": "libseccomp-golang 0.9.0 and earlier incorrectly generates BPFs that OR multiple arguments rather than ANDing them. A process running under a restrictive seccomp filter that specified multiple syscall arguments could bypass intended access restrictions by specifying a single matching argument.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue may affect OpenShift Container Platform 3.x and 4.x if you are providing a custom Seccomp profile using Security Context Constraints [1]. The custom Seccomp profile would need to specify multiple arguments, such as below, from [2].\n\n{\n  \"names\": [\n    \"socketcall\"\n  ],\n  \"action\": \"SCMP_ACT_ALLOW\",\n  \"args\": [\n    {\n      \"index\": 0,\n      \"value\": 1,\n      \"valueTwo\": 0,\n      \"op\": \"SCMP_CMP_EQ\"\n    },\n    {\n      \"index\": 1,\n      \"value\": 1,\n      \"valueTwo\": 0,\n      \"op\": \"SCMP_CMP_EQ\"\n    }\n  ],\n  \"comment\": \"\",\n  \"includes\": {},\n  \"excludes\": {}\n},\n\nIf such a profile was used the arguments could be combined as an OR rule, not AND, as the user might expect from Seccomp.\n\n[1] https://docs.openshift.com/container-platform/4.1/authentication/managing-security-context-constraints.html\n\n[2] https://github.com/moby/moby/issues/32714#issuecomment-295532163",
          "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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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-18367"
        },
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-18367",
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-18367",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18367"
        }
      ],
      "release_date": "2019-04-24T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-12-17T07:39:50+00:00",
          "details": "For OpenShift Container Platform 4.1 see the following documentation, which will be updated shortly for release 4.1.27, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:\n\nhttps://docs.openshift.com/container-platform/4.1/release_notes/ocp-4-1-release-notes.html\n\nDetails on how to access this content are available at https://docs.openshift.com/container-platform/4.1/updating/updating-cluster-cli.html.",
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            "7Server-RH7-RHOSE-4.1:openshift4/ose-cli@sha256:33af908590a01d4f8f0e06c99f46fb5a861cb6e8b9176b6f40d0198ca1668005_amd64",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
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            "7Server-RH7-RHOSE-4.1:openshift4/ose-cli@sha256:33af908590a01d4f8f0e06c99f46fb5a861cb6e8b9176b6f40d0198ca1668005_amd64",
            "7Server-RH7-RHOSE-4.1:openshift4/ose-hyperkube@sha256:c5fa17f9a2bb8ba2f99f71004d49f2987474379848ebc4ec8c47c414973ccc2a_amd64",
            "7Server-RH7-RHOSE-4.1:openshift4/ose-hypershift@sha256:9d3082a8a1d089b14adc69f8ade5f8c776938d9dd9d7cfe163b757bb1e67f8e4_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions"
    }
  ]
}


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