CVE-2021-4021

{"containers": {"cna": {"affected": [{"product": "radare2", "vendor": "n/a", "versions": [{"status": "affected", "version": "radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-02-24T18:50:10.000Z", "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "shortName": "fedora"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/radareorg/radare2/issues/19436"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "patrick@puiterwijk.org", "ID": "CVE-2021-4021", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "radare2", "version": {"version_data": [{"version_value": "radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400"}]}]}, "references": {"reference_data": [{"name": "https://github.com/radareorg/radare2/issues/19436", "refsource": "MISC", "url": "https://github.com/radareorg/radare2/issues/19436"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:16:03.457Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/radareorg/radare2/issues/19436"}]}]}, "cveMetadata": {"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5", "assignerShortName": "fedora", "cveId": "CVE-2021-4021", "datePublished": "2022-02-24T18:50:10.000Z", "dateReserved": "2021-11-25T00:00:00.000Z", "dateUpdated": "2024-08-03T17:16:03.457Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "radare2", "vendor": "n/a", "versions": [{"status": "affected", "version": "radare2 5.6.2, radare2 5.6.0, radare2 5.5.4 and radare2 5.5.2"}]}], "source": "patrick@puiterwijk.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*", "matchCriteriaId": "C7E4E86C-9AD4-46E6-8403-6424D989E389", "versionEndIncluding": "5.5.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en Radare2 en versiones anteriores a5.6.2, 5.6.0, 5.5.4 y 5.5.2. El mapeo de una enorme secci\u00f3n llena de ceros de un binario ELF64 para la arquitectura MIPS puede conllevar aun consumo no controlado de recursos y un DoS"}], "id": "CVE-2021-4021", "lastModified": "2026-06-17T04:18:54.560", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "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": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-02-24T19:15:09.533", "references": [{"source": "patrick@puiterwijk.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/radareorg/radare2/issues/19436"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/radareorg/radare2/issues/19436"}], "sourceIdentifier": "patrick@puiterwijk.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "patrick@puiterwijk.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-834"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}