{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2016-8609"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-384"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:27:42Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks.",
  "id": "GHSA-95m6-mjh3-58gm",
  "modified": "2022-09-17T00:55:51Z",
  "published": "2018-10-18T16:48:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-8609"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-95m6-mjh3-58gm"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Authentication in org.keycloak:keycloak-core"
}

{
  "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": "A security update is now available for Red Hat Single Sign-On 7.0 from the Customer Portal.\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 Single Sign-On 7.0 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 asynchronous patch is a security update for Red Hat Single Sign-On 7.0.\n\nSecurity Fix(es):\n\n* It was found that Keycloak did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks. (CVE-2016-8609)\n\nRed Hat would like to thank Hiroyuki Wada of Nomura Research Institute, Ltd for reporting this issue.",
        "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-2016:2945",
        "url": "https://access.redhat.com/errata/RHSA-2016:2945"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#important",
        "url": "https://access.redhat.com/security/updates/classification/#important"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso\u0026downloadType=securityPatches\u0026version=7.0",
        "url": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso\u0026downloadType=securityPatches\u0026version=7.0"
      },
      {
        "category": "external",
        "summary": "1386729",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1386729"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_2945.json"
      }
    ],
    "title": "Red Hat Security Advisory: Red Hat Single Sign-On security update",
    "tracking": {
      "current_release_date": "2024-11-05T19:49:42+00:00",
      "generator": {
        "date": "2024-11-05T19:49:42+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.1.1"
        }
      },
      "id": "RHSA-2016:2945",
      "initial_release_date": "2016-12-13T19:26:02+00:00",
      "revision_history": [
        {
          "date": "2016-12-13T19:26:02+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2016-12-13T19:26:02+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-05T19:49:42+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 7.0",
                "product": {
                  "name": "Red Hat Single Sign-On 7.0",
                  "product_id": "Red Hat Single Sign-On 7.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:jboss_single_sign_on:7.0"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Red Hat Single Sign-On"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Hiroyuki Wada"
          ],
          "organization": "Nomura Research Institute"
        }
      ],
      "cve": "CVE-2016-8609",
      "cwe": {
        "id": "CWE-384",
        "name": "Session Fixation"
      },
      "discovery_date": "2016-10-17T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1386729"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was found that the keycloak did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "keycloak: account hijacking via auth code fixation",
          "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": [
          "Red Hat Single Sign-On 7.0"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-8609"
        },
        {
          "category": "external",
          "summary": "RHBZ#1386729",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1386729"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-8609",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-8609"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-8609",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-8609"
        }
      ],
      "release_date": "2016-12-13T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2016-12-13T19:26:02+00:00",
          "details": "The References section of this erratum contains a download link (you must\nlog in to download the update). Before applying this update, back up your\nexisting Red Hat Single Sign-On installation.",
          "product_ids": [
            "Red Hat Single Sign-On 7.0"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2016:2945"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.9,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.7,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "Red Hat Single Sign-On 7.0"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "keycloak: account hijacking via auth code fixation"
    }
  ]
}

{
  "GSD": {
    "alias": "CVE-2016-8609",
    "description": "It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks.",
    "id": "GSD-2016-8609",
    "references": [
      "https://access.redhat.com/errata/RHSA-2016:2945"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-8609"
      ],
      "details": "It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks.",
      "id": "GSD-2016-8609",
      "modified": "2023-12-13T01:21:22.247983Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2016-8609",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "keycloak",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "2.3.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Red Hat"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks."
          }
        ]
      },
      "impact": {
        "cvss": [
          [
            {
              "vectorString": "3.7/CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
              "version": "3.0"
            }
          ],
          [
            {
              "vectorString": "4.9/AV:N/AC:M/Au:S/C:P/I:P/A:N",
              "version": "2.0"
            }
          ]
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-384"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8609",
            "refsource": "CONFIRM",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8609"
          },
          {
            "name": "RHSA-2016:2945",
            "refsource": "REDHAT",
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2945.html"
          },
          {
            "name": "1037460",
            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1037460"
          },
          {
            "name": "95070",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/95070"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,2.3.0)",
          "affected_versions": "All versions before 2.3.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2021-09-07",
          "description": "It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks.",
          "fixed_versions": [
            "2.3.0"
          ],
          "identifier": "CVE-2016-8609",
          "identifiers": [
            "GHSA-95m6-mjh3-58gm",
            "CVE-2016-8609"
          ],
          "not_impacted": "All versions starting from 2.3.0",
          "package_slug": "maven/org.keycloak/keycloak-core",
          "pubdate": "2018-10-18",
          "solution": "Upgrade to version 2.3.0 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2016-8609",
            "https://github.com/advisories/GHSA-95m6-mjh3-58gm"
          ],
          "uuid": "898a5e33-ece4-4386-b305-aa3a93ec2ceb"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.3.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2016-8609"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "It was found that the keycloak before 2.3.0 did not implement authentication flow correctly. An attacker could use this flaw to construct a phishing URL, from which he could hijack the user\u0027s session. This could lead to information disclosure, or permit further possible attacks."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-287"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8609",
              "refsource": "CONFIRM",
              "tags": [
                "Issue Tracking",
                "Vendor Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8609"
            },
            {
              "name": "1037460",
              "refsource": "SECTRACK",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securitytracker.com/id/1037460"
            },
            {
              "name": "95070",
              "refsource": "BID",
              "tags": [
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://www.securityfocus.com/bid/95070"
            },
            {
              "name": "RHSA-2016:2945",
              "refsource": "REDHAT",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://rhn.redhat.com/errata/RHSA-2016-2945.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.0"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2019-10-09T23:20Z",
      "publishedDate": "2018-08-01T17:29Z"
    }
  }
}