{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-4300",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2023-01-04T21:05:34.926Z",
        "datePublished": "2023-01-04T21:14:42.593Z",
        "dateUpdated": "2024-08-03T17:23:10.410Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2023-10-20T13:33:26.270Z"
            },
            "title": "ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-284",
                            "lang": "en",
                            "description": "CWE-284 Improper Access Controls"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "ghostlander",
                    "product": "Halcyon",
                    "versions": [
                        {
                            "version": "n/a",
                            "status": "affected"
                        }
                    ],
                    "modules": [
                        "Block Verification"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability has been found in ghostlander Halcyon and classified as critical. Affected by this vulnerability is the function CBlock::AddToBlockIndex of the file src/main.cpp of the component Block Verification. The manipulation leads to improper access controls. The attack can be launched remotely. Upgrading to version 1.1.1.0-hal is able to address this issue. The identifier of the patch is 0675b25ae9cc10b5fdc8ea3a32c642979762d45e. It is recommended to upgrade the affected component. The identifier VDB-217417 was assigned to this vulnerability."
                },
                {
                    "lang": "de",
                    "value": "In ghostlander Halcyon wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Betroffen ist die Funktion CBlock::AddToBlockIndex der Datei src/main.cpp der Komponente Block Verification. Mit der Manipulation mit unbekannten Daten kann eine improper access controls-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Ein Aktualisieren auf die Version 1.1.1.0-hal vermag dieses Problem zu lösen. Der Patch wird als 0675b25ae9cc10b5fdc8ea3a32c642979762d45e bezeichnet. Als bestmögliche Massnahme wird das Einspielen eines Upgrades empfohlen."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 6.3,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_0": {
                        "version": "3.0",
                        "baseScore": 6.3,
                        "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 6.5,
                        "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P"
                    }
                }
            ],
            "timeline": [
                {
                    "time": "2023-01-04T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2023-01-04T00:00:00.000Z",
                    "lang": "en",
                    "value": "CVE reserved"
                },
                {
                    "time": "2023-01-04T01:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2023-01-28T11:31:10.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "VulDB GitHub Commit Analyzer",
                    "type": "tool"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/?id.217417",
                    "tags": [
                        "vdb-entry",
                        "technical-description"
                    ]
                },
                {
                    "url": "https://vuldb.com/?ctiid.217417",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal",
                    "tags": [
                        "patch"
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:23:10.410Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://vuldb.com/?id.217417",
                        "tags": [
                            "vdb-entry",
                            "technical-description",
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://vuldb.com/?ctiid.217417",
                        "tags": [
                            "signature",
                            "permissions-required",
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e",
                        "tags": [
                            "patch",
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal",
                        "tags": [
                            "patch",
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}