rhsa-2020_1485
Vulnerability from csaf_redhat
Published
2020-04-20 19:51
Modified
2024-11-22 14:12
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.3.13 runc security update

Notes

Topic
An update for runc is now available for Red Hat OpenShift Container Platform 4.3. 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
The runC tool is a lightweight, portable implementation of the Open Container Format (OCF) that provides container runtime. Security Fix(es): * runc: volume mount race condition with shared mounts led to information leak and integrity manipulation (CVE-2019-19921) 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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        "name": "Improper Resolution of Path Equivalence"
      },
      "discovery_date": "2020-01-29T00:00:00+00:00",
      "ids": [
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          "text": "A flaw was found in runc. An attacker who controls the container image for two containers that share a volume can race volume mounts during container initialization, by adding a symlink to the rootfs that points to a directory on the volume. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
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          "text": "runc: volume mount race condition with shared mounts leads to information leak/integrity manipulation",
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        },
        {
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          "text": "For Red Hat OpenStack Platform, because runc is not directly used by the director-operator, no update will be provided at this time for the operator containers.",
          "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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          "url": "https://access.redhat.com/security/cve/CVE-2019-19921"
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1796107"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-19921",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-19921"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-19921",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-19921"
        }
      ],
      "release_date": "2019-12-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-04-20T19:51:34+00:00",
          "details": "For OpenShift Container Platform 4.3 see the following documentation, which\nwill be updated shortly for release 4.3.13, for important instructions on\nhow to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html\n\nDetails on how to access this content are available at\nhttps://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "runc: volume mount race condition with shared mounts leads to information leak/integrity manipulation"
    }
  ]
}


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