cvelist/2021/4xxx/CVE-2021-4300.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-4300",
        "ASSIGNER": "cna@vuldb.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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": "deu",
                "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 \u00fcber das Netzwerk passieren. Ein Aktualisieren auf die Version 1.1.1.0-hal vermag dieses Problem zu l\u00f6sen. Der Patch wird als 0675b25ae9cc10b5fdc8ea3a32c642979762d45e bezeichnet. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-284 Improper Access Controls",
                        "cweId": "CWE-284"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "ghostlander",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Halcyon",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://vuldb.com/?id.217417",
                "refsource": "MISC",
                "name": "https://vuldb.com/?id.217417"
            },
            {
                "url": "https://vuldb.com/?ctiid.217417",
                "refsource": "MISC",
                "name": "https://vuldb.com/?ctiid.217417"
            },
            {
                "url": "https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e",
                "refsource": "MISC",
                "name": "https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e"
            },
            {
                "url": "https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal",
                "refsource": "MISC",
                "name": "https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal"
            }
        ]
    },
    "credits": [
        {
            "lang": "en",
            "value": "VulDB GitHub Commit Analyzer"
        }
    ],
    "impact": {
        "cvss": [
            {
                "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"
            },
            {
                "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"
            },
            {
                "version": "2.0",
                "baseScore": 6.5,
                "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P"
            }
        ]
    }
}