CVE-2021-27343

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-06T12:07:12.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/SerenityOS/serenity/issues/5317"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/SerenityOS/serenity/pull/5344"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-27343", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/SerenityOS/serenity/issues/5317", "refsource": "MISC", "url": "https://github.com/SerenityOS/serenity/issues/5317"}, {"name": "https://github.com/SerenityOS/serenity/pull/5344", "refsource": "MISC", "url": "https://github.com/SerenityOS/serenity/pull/5344"}, {"name": "https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1", "refsource": "MISC", "url": "https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:16.451Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/SerenityOS/serenity/issues/5317"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/SerenityOS/serenity/pull/5344"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-27343", "datePublished": "2021-04-06T12:07:12.000Z", "dateReserved": "2021-02-16T00:00:00.000Z", "dateUpdated": "2024-08-03T20:48:16.451Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:serenityos:serenityos:-:*:*:*:*:*:*:*", "matchCriteriaId": "F0A631C0-3E3F-4FC9-8E7D-8843F0133B9C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SerenityOS Unspecified is affected by: Buffer Overflow. The impact is: obtain sensitive information (context-dependent). The component is: /Userland/Libraries/LibCrypto/ASN1/DER.h Crypto::der_decode_sequence() function. The attack vector is: Parsing RSA Key ASN.1."}, {"lang": "es", "value": "SerenityOS Unspecified est\u00e1 afectado por: un Desbordamiento del B\u00fafer. El impacto es: obtener informaci\u00f3n confidencial (dependiente del contexto). El componente es: la funci\u00f3n Crypto::der_decode_sequence() del archivo /Userland/Libraries/LibCrypto/ASN1/DER.h. El vector de ataque es: Parsing RSA Key ASN.1"}], "id": "CVE-2021-27343", "lastModified": "2026-06-17T03:44:40.273", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-06T13:15:14.200", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/SerenityOS/serenity/issues/5317"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/SerenityOS/serenity/pull/5344"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/SerenityOS/serenity/commit/48fbf6a88d4822a1e5470cf08f29464511bd72c1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/SerenityOS/serenity/issues/5317"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/SerenityOS/serenity/pull/5344"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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