rhsa-2021_2061
Vulnerability from csaf_redhat
Published
2021-05-20 11:05
Modified
2024-11-22 16:58
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.0.5 security update

Notes

Topic
An update for servicemesh is now available for OpenShift Service Mesh 2.0. 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 Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation. Security Fix(es): * istio/istio: authorization bypass when using AUTO_PASSTHROUGH (CVE-2021-31921) 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": "servicemesh-pilot-agent-0:2.0.5-3.el8.s390x as a component of OpenShift Service Mesh 2.0",
          "product_id": "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.s390x"
        },
        "product_reference": "servicemesh-pilot-agent-0:2.0.5-3.el8.s390x",
        "relates_to_product_reference": "8Base-OSSM-2.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "servicemesh-pilot-agent-0:2.0.5-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0",
          "product_id": "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.x86_64"
        },
        "product_reference": "servicemesh-pilot-agent-0:2.0.5-3.el8.x86_64",
        "relates_to_product_reference": "8Base-OSSM-2.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "servicemesh-pilot-discovery-0:2.0.5-3.el8.ppc64le as a component of OpenShift Service Mesh 2.0",
          "product_id": "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.ppc64le"
        },
        "product_reference": "servicemesh-pilot-discovery-0:2.0.5-3.el8.ppc64le",
        "relates_to_product_reference": "8Base-OSSM-2.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "servicemesh-pilot-discovery-0:2.0.5-3.el8.s390x as a component of OpenShift Service Mesh 2.0",
          "product_id": "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.s390x"
        },
        "product_reference": "servicemesh-pilot-discovery-0:2.0.5-3.el8.s390x",
        "relates_to_product_reference": "8Base-OSSM-2.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "servicemesh-pilot-discovery-0:2.0.5-3.el8.x86_64 as a component of OpenShift Service Mesh 2.0",
          "product_id": "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.x86_64"
        },
        "product_reference": "servicemesh-pilot-discovery-0:2.0.5-3.el8.x86_64",
        "relates_to_product_reference": "8Base-OSSM-2.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "the Istio Product Security Working Group"
          ]
        }
      ],
      "cve": "CVE-2021-31921",
      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
      },
      "discovery_date": "2021-04-30T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1955396"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An authorization bypass vulnerability was found in istio. When the istio gateway is configured with TLS mode `AUTO_PASSTHROUGH`, it is possible for a malicious user to bypass the authorization checks and gain access to protected services. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "istio/istio: authorization bypass when using AUTO_PASSTHROUGH",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "To determine if a potential istio gateway might be affected by this vulnerability, the same command specified here: https://istio.io/latest/news/security/istio-security-2021-006/ can also be applied to OpenShift ServiceMesh using the `oc` cli instead of `kubectl`:\n\n$ oc get gateways.networking.istio.io -A -o \"custom-columns=NAMESPACE:.metadata.namespace,NAME:.metadata.name,TLS_MODE:.spec.servers[*].tls.mode\"\nNAMESPACE \u00a0 NAME \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 TLS_MODE\ntest               \u00a0 \u00a0test-gateway \u00a0 \u003cnone\u003e\n\nAs specified in the linked reference, if the `TLS_MODE` returned is `AUTO_PASSTHROUGH` then the gateway may be affected.",
          "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": [
          "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.ppc64le",
          "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.s390x",
          "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.src",
          "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.x86_64",
          "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.ppc64le",
          "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.s390x",
          "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.x86_64",
          "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.ppc64le",
          "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.s390x",
          "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.x86_64",
          "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.ppc64le",
          "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.s390x",
          "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.x86_64",
          "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.ppc64le",
          "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.s390x",
          "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.x86_64",
          "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.ppc64le",
          "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.s390x",
          "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-31921"
        },
        {
          "category": "external",
          "summary": "RHBZ#1955396",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1955396"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-31921",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-31921"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-31921",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31921"
        },
        {
          "category": "external",
          "summary": "https://istio.io/latest/news/security/istio-security-2021-006/",
          "url": "https://istio.io/latest/news/security/istio-security-2021-006/"
        }
      ],
      "release_date": "2021-05-11T19:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-05-20T11:05:53+00:00",
          "details": "The OpenShift Service Mesh release notes provide information on the features and known issues:\n\nhttps://docs.openshift.com/container-platform/4.7/service_mesh/v2x/servicemesh-release-notes.html",
          "product_ids": [
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.src",
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:2061"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 10.0,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.src",
            "8Base-OSSM-2.0:servicemesh-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-istioctl-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-mixc-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-mixs-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-pilot-agent-0:2.0.5-3.el8.x86_64",
            "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.ppc64le",
            "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.s390x",
            "8Base-OSSM-2.0:servicemesh-pilot-discovery-0:2.0.5-3.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "istio/istio: authorization bypass when using AUTO_PASSTHROUGH"
    }
  ]
}


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