CVE-2017-17821

{"id": "CVE-2017-17821", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2017-12-21T03:29:00.630", "references": [{"url": "https://bugs.webkit.org/show_bug.cgi?id=181020", "tags": ["Permissions Required"], "source": "cve@mitre.org"}, {"url": "https://github.com/dwfault/PoCs/blob/master/WebKit%20Misuse%20of%20WTF:wtf:FastBitVector%20result%20in%20potential%20BOF/WebKit%20Misuse%20of%20WTF:wtf:FastBitVector%20result%20in%20potential%20BOF.md", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "WTF/wtf/FastBitVector.h in WebKit, as distributed in Safari Technology Preview Release 46, allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact because it calls the FastBitVectorWordOwner::resizeSlow function (in WTF/wtf/FastBitVector.cpp) for a purpose other than initializing a bitvector size, and resizeSlow mishandles cases where the old array length is greater than the new array length."}, {"lang": "es", "value": "WTF/wtf/FastBitVector.h en WebKit, tal y como viene distribuido en Safari Technology Preview Release 46, permite que los atacantes remotos provoquen una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer) o posiblemente otro impacto porque llama a la funci\u00f3n FastBitVectorWordOwner::resizeSlow (en WTF/wtf/FastBitVector.cpp) para un prop\u00f3sito diferente que inicializar un tama\u00f1o bitvector, y resizeSlow gestiona de manera incorrecta los casos en los que la longitud antigua del array es mayor que la nueva."}], "lastModified": "2018-01-10T23:05:01.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:46:*:*:*:technology_preview:*:*:*", "vulnerable": true, "matchCriteriaId": "D0B3F3F3-4D70-47BD-A6D7-24A20B0FFB06"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}