rhsa-2020_0477
Vulnerability from csaf_redhat
Published
2020-02-12 06:39
Modified
2024-11-22 14:26
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0.7 servicemesh-proxy security update

Notes

Topic
Red Hat OpenShift Service Mesh 1.0.7. 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. This advisory covers the RPM packages for the OpenShift Service Mesh 1.0.7 release. Security Fix(es): * istio: unauthorised access to JWT protected HTTP path (CVE-2020-8595) 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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{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Red Hat OpenShift Service Mesh 1.0.7.\n\nRed 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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat OpenShift Service Mesh is Red Hat\u0027s distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.\n\nThis advisory covers the RPM packages for the OpenShift Service Mesh 1.0.7 release.\n\nSecurity Fix(es):\n\n* istio: unauthorised access to JWT protected HTTP path (CVE-2020-8595)\n\nFor 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.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2020:0477",
        "url": "https://access.redhat.com/errata/RHSA-2020:0477"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "1798247",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798247"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_0477.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat OpenShift Service Mesh 1.0.7 servicemesh-proxy security update",
    "tracking": {
      "current_release_date": "2024-11-22T14:26:34+00:00",
      "generator": {
        "date": "2024-11-22T14:26:34+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
        }
      },
      "id": "RHSA-2020:0477",
      "initial_release_date": "2020-02-12T06:39:25+00:00",
      "revision_history": [
        {
          "date": "2020-02-12T06:39:25+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2020-02-12T06:39:25+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-22T14:26:34+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "OpenShift Service Mesh 1.0",
                "product": {
                  "name": "OpenShift Service Mesh 1.0",
                  "product_id": "8Base-OSSM-1.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:service_mesh:1.0::el8"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat OpenShift Service Mesh"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "servicemesh-proxy-0:1.0.7-1.el8.x86_64",
                "product": {
                  "name": "servicemesh-proxy-0:1.0.7-1.el8.x86_64",
                  "product_id": "servicemesh-proxy-0:1.0.7-1.el8.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/servicemesh-proxy@1.0.7-1.el8?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "servicemesh-proxy-0:1.0.7-1.el8.src",
                "product": {
                  "name": "servicemesh-proxy-0:1.0.7-1.el8.src",
                  "product_id": "servicemesh-proxy-0:1.0.7-1.el8.src",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/servicemesh-proxy@1.0.7-1.el8?arch=src"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "src"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "servicemesh-proxy-0:1.0.7-1.el8.src as a component of OpenShift Service Mesh 1.0",
          "product_id": "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.src"
        },
        "product_reference": "servicemesh-proxy-0:1.0.7-1.el8.src",
        "relates_to_product_reference": "8Base-OSSM-1.0"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "servicemesh-proxy-0:1.0.7-1.el8.x86_64 as a component of OpenShift Service Mesh 1.0",
          "product_id": "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.x86_64"
        },
        "product_reference": "servicemesh-proxy-0:1.0.7-1.el8.x86_64",
        "relates_to_product_reference": "8Base-OSSM-1.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "The Istio Product Security Committee"
          ]
        }
      ],
      "cve": "CVE-2020-8595",
      "cwe": {
        "id": "CWE-285",
        "name": "Improper Authorization"
      },
      "discovery_date": "2020-01-31T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1798247"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An unauthorized access vulnerability was found in Istio in the servicemesh-proxy. An attacker can use this flaw to specify an HTTP path and gain unauthorized access, even if the path is configured to only be accessed with a valid JSON Web Token (JWT).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "istio: unauthorised access to JWT protected HTTP path",
          "title": "Vulnerability summary"
        },
        {
          "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-1.0:servicemesh-proxy-0:1.0.7-1.el8.src",
          "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-8595"
        },
        {
          "category": "external",
          "summary": "RHBZ#1798247",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1798247"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8595",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-8595"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8595",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8595"
        },
        {
          "category": "external",
          "summary": "https://istio.io/news/security/istio-security-2020-001/",
          "url": "https://istio.io/news/security/istio-security-2020-001/"
        }
      ],
      "release_date": "2020-02-11T18:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-02-12T06:39:25+00:00",
          "details": "The OpenShift Service Mesh release notes provide information on the features and known issues:\n\nhttps://docs.openshift.com/container-platform/4.3/service_mesh/servicemesh-release-notes.html",
          "product_ids": [
            "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.src",
            "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:0477"
        },
        {
          "category": "workaround",
          "details": "Depending on the paths used in the exact match clause, it is possible to update the path to a regex. \n\nAs provided by the Istio Product Committee, the following mitigation can be employed.\n\nThe original policy specifying a JWT protected path is as follows:\n---\napiVersion: \"authentication.istio.io/v1alpha1\"\nkind: \"Policy\"\nmetadata:\n  name: \"jwt-example\"\n  namespace: istio-system\nspec:\n  targets:\n  - name: istio-ingressgateway\n  origins:\n  - jwt:\n      issuer: \"testing@secure.istio.io\"\n      jwksUri: \"https://raw.githubusercontent.com/istio/istio/release-1.4/security/tools/jwt/samples/jwks.json\"\n      trigger_rules:\n      - included_paths:\n        - exact: /productpage\n\nThe exact path definition can then be updated to a regular expression:\n---\n  - jwt:\n      issuer: \"testing@secure.istio.io\"\n      jwksUri: \"https://raw.githubusercontent.com/istio/istio/release-1.4/security/tools/jwt/samples/jwks.json\"\n      trigger_rules:\n      - included_paths:\n        - regex: \u0027/productpage(\\?.*)?\u0027\n        - regex: \u0027/productpage(#.*)?\u0027",
          "product_ids": [
            "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.src",
            "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.src",
            "8Base-OSSM-1.0:servicemesh-proxy-0:1.0.7-1.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "istio: unauthorised access to JWT protected HTTP path"
    }
  ]
}


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