CVE-2021-27411

{"id": "CVE-2021-27411", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2022-05-03T21:15:08.117", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "tags": ["Third Party Advisory", "US Government Resource"], "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.silabs.com/developers/micrium-os", "tags": ["Product", "Vendor Advisory"], "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "Micrium OS Versions 5.10.1 and prior are vulnerable to integer wrap-around in functions Mem_DynPoolCreate, Mem_DynPoolCreateHW and Mem_PoolCreate. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as very small blocks of memory being allocated instead of very large ones."}, {"lang": "es", "value": "Micrium OS versiones 5.10.1 y anteriores, de son vulnerables a una envoltura de enteros en las funciones Mem_DynPoolCreate, Mem_DynPoolCreateHW y Mem_PoolCreate. Esta asignaci\u00f3n de memoria no verificada puede conllevar a una asignaci\u00f3n de memoria arbitraria, resultando en comportamientos inesperados como la asignaci\u00f3n de bloques de memoria muy peque\u00f1os en lugar de muy grandes"}], "lastModified": "2022-05-12T15:27:09.843", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:silabs:micrium_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B161E263-0553-4CE2-AFF2-FE9A3AD9AB20", "versionEndIncluding": "5.10.1"}], "operator": "OR"}]}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}