CVE-2021-4327

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-4327", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2023-03-01T10:03:45.785Z", "datePublished": "2023-03-01T10:05:37.010Z", "dateUpdated": "2024-08-03T17:23:10.473Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2023-10-20T13:52:57.332Z"}, "title": "SerenityOS TypedArray.cpp initialize_typed_array_from_array_buffer integer overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow"}]}], "affected": [{"vendor": "n/a", "product": "SerenityOS", "versions": [{"version": "n/a", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in SerenityOS. It has been rated as critical. Affected by this issue is the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation leads to integer overflow. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as f6c6047e49f1517778f5565681fb64750b14bf60. It is recommended to apply a patch to fix this issue. VDB-222074 is the identifier assigned to this vulnerability."}, {"lang": "de", "value": "Eine kritische Schwachstelle wurde in SerenityOS ausgemacht. Hierbei geht es um die Funktion initialize_typed_array_from_array_buffer in der Bibliothek Userland/Libraries/LibJS/Runtime/TypedArray.cpp. Mittels Manipulieren mit unbekannten Daten kann eine integer overflow-Schwachstelle ausgenutzt werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung. Dieses Produkt verzichtet auf eine Versionierung und verwendet stattdessen Rolling Releases. Deshalb sind keine Details zu betroffenen oder zu aktualisierende Versionen vorhanden. Der Patch wird als f6c6047e49f1517778f5565681fb64750b14bf60 bezeichnet. Als bestm\u00f6gliche Massnahme wird Patching empfohlen."}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.2, "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P"}}], "timeline": [{"time": "2023-03-01T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2023-03-01T00:00:00.000Z", "lang": "en", "value": "CVE reserved"}, {"time": "2023-03-01T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2023-03-26T16:15:24.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "William Bowling", "type": "finder"}], "references": [{"url": "https://vuldb.com/?id.222074", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.222074", "tags": ["signature", "permissions-required"]}, {"url": "https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html", "tags": ["exploit"]}, {"url": "https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60", "tags": ["patch"]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:23:10.473Z"}, "title": "CVE Program Container", "references": [{"url": "https://vuldb.com/?id.222074", "tags": ["vdb-entry", "technical-description", "x_transferred"]}, {"url": "https://vuldb.com/?ctiid.222074", "tags": ["signature", "permissions-required", "x_transferred"]}, {"url": "https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html", "tags": ["exploit", "x_transferred"]}, {"url": "https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60", "tags": ["patch", "x_transferred"]}]}]}}

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{"affected": [{"affectedData": [{"product": "SerenityOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:serenityos:serenityos:*:*:*:*:*:*:*:*", "matchCriteriaId": "93A44F29-83A4-4C72-ABF0-21CCB7AC64C1", "versionEndExcluding": "2021-01-27", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in SerenityOS. It has been rated as critical. Affected by this issue is the function initialize_typed_array_from_array_buffer in the library Userland/Libraries/LibJS/Runtime/TypedArray.cpp. The manipulation leads to integer overflow. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is identified as f6c6047e49f1517778f5565681fb64750b14bf60. It is recommended to apply a patch to fix this issue. VDB-222074 is the identifier assigned to this vulnerability."}], "id": "CVE-2021-4327", "lastModified": "2026-06-17T04:19:30.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.2, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-03-01T11:15:12.817", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html"}, {"source": "cna@vuldb.com", "tags": ["Patch"], "url": "https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://vuldb.com/?ctiid.222074"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://vuldb.com/?id.222074"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://devcraft.io/2021/02/11/serenityos-writing-a-full-chain-exploit.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/SerenityOS/serenity/commit/f6c6047e49f1517778f5565681fb64750b14bf60"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://vuldb.com/?ctiid.222074"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Third Party Advisory"], "url": "https://vuldb.com/?id.222074"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "cna@vuldb.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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