{"id":"CVE-2021-4300","state":"PUBLISHED","title":"ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control","description":"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.","publishedAt":"2023-01-04T21:14:42.593Z","updatedAt":"2024-08-03T17:23:10.410Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","source":"VulDB"},"assigner":"VulDB","products":["ghostlander Halcyon"],"affected":[{"vendor":"ghostlander","product":"Halcyon","versions":[{"version":"n/a","status":"affected"}],"modules":["Block Verification"]}],"references":["https://vuldb.com/?id.217417","https://vuldb.com/?ctiid.217417","https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e","https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T19:49:23.890Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/4xxx/CVE-2021-4300.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-4300","state":"PUBLISHED","datePublished":"2023-01-04T21:14:42.593Z","dateUpdated":"2024-08-03T17:23:10.410Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2023-01-04T21:05:34.926Z"},"containers":{"cna":{"title":"ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control","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."}],"affected":[{"vendor":"ghostlander","product":"Halcyon","versions":[{"version":"n/a","status":"affected"}],"modules":["Block Verification"]}],"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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","type":"CWE","lang":"en","description":"CWE-284 Improper Access Controls"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2023-10-20T13:33:26.270Z"},"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"}]},"adp":[{"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"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:23:10.410Z"}}]}}}