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      "text": "Moderate"
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    "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": "Security updates for Red Hat Single Sign-On 7.2.7 packages are now available for Red Hat Enterprise Linux 7.\n\nRed 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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat Single Sign-On 7.2 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications.\n\nThis release of Red Hat Single Sign-On 7.2.7 serves as a replacement for Red Hat Single Sign-On 7.2.6, and includes bug fixes and enhancements.\n\nSecurity Fix(es):\n\n* keycloak: session hijack using the user access token (CVE-2019-3868)\n\nFor more details about the security issue(s), including the impact, a CVSS score, 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"
      }
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      "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-2019:0856",
        "url": "https://access.redhat.com/errata/RHSA-2019:0856"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#moderate",
        "url": "https://access.redhat.com/security/updates/classification/#moderate"
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        "summary": "1679144",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1679144"
      },
      {
        "category": "external",
        "summary": "JBEAP-16660",
        "url": "https://issues.redhat.com/browse/JBEAP-16660"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_0856.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat Single Sign-On 7.2.7 security update on RHEL 7",
    "tracking": {
      "current_release_date": "2024-11-05T21:03:35+00:00",
      "generator": {
        "date": "2024-11-05T21:03:35+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.1.1"
        }
      },
      "id": "RHSA-2019:0856",
      "initial_release_date": "2019-04-23T17:20:10+00:00",
      "revision_history": [
        {
          "date": "2019-04-23T17:20:10+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2019-04-23T17:20:10+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-05T21:03:35+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Single Sign-On 7.2 for RHEL 7 Server",
                "product": {
                  "name": "Red Hat Single Sign-On 7.2 for RHEL 7 Server",
                  "product_id": "7Server-RHSSO-7.2",
                  "product_identification_helper": {
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          },
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            "branches": [
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                "category": "product_version",
                "name": "rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src",
                "product": {
                  "name": "rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src",
                  "product_id": "rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/rh-sso7-keycloak@3.4.17-1.Final_redhat_00001.1.jbcs.el7?arch=src"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "src"
          },
          {
            "branches": [
              {
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                "name": "rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
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              },
              {
                "category": "product_version",
                "name": "rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
                "product": {
                  "name": "rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
                  "product_id": "rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
                  "product_identification_helper": {
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                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.2 for RHEL 7 Server",
          "product_id": "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch"
        },
        "product_reference": "rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
        "relates_to_product_reference": "7Server-RHSSO-7.2"
      },
      {
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        "full_product_name": {
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          "product_id": "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src"
        },
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        "relates_to_product_reference": "7Server-RHSSO-7.2"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch as a component of Red Hat Single Sign-On 7.2 for RHEL 7 Server",
          "product_id": "7Server-RHSSO-7.2:rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch"
        },
        "product_reference": "rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
        "relates_to_product_reference": "7Server-RHSSO-7.2"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Caranzo Gideon",
            "Muzamil Muein",
            "Siddiqui Najam"
          ],
          "organization": "Gemalto E\u0026C"
        }
      ],
      "cve": "CVE-2019-3868",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2019-02-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1679144"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Keycloak up to version 6.0.0 allows the end user token (access or id token JWT) to be used as the session cookie for browser sessions for OIDC. As a result an attacker with access to service provider backend could hijack user\u2019s browser session.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: session hijack using the user access token",
          "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": [
          "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
          "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src",
          "7Server-RHSSO-7.2:rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-3868"
        },
        {
          "category": "external",
          "summary": "RHBZ#1679144",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1679144"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-3868",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-3868"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-3868",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-3868"
        }
      ],
      "release_date": "2019-04-23T16:59:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-04-23T17:20:10+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
            "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src",
            "7Server-RHSSO-7.2:rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:0856"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.8,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch",
            "7Server-RHSSO-7.2:rh-sso7-keycloak-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.src",
            "7Server-RHSSO-7.2:rh-sso7-keycloak-server-0:3.4.17-1.Final_redhat_00001.1.jbcs.el7.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: session hijack using the user access token"
    }
  ]
}