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111 lines
3.8 KiB
JSON
111 lines
3.8 KiB
JSON
{
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"id": "CVE-2017-17821",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2017-12-21T03:29:00.630",
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"lastModified": "2018-01-10T23:05:01.467",
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"vulnStatus": "Analyzed",
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"descriptions": [
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{
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"lang": "en",
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"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."
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},
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{
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"lang": "es",
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"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."
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}
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],
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"metrics": {
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"cvssMetricV30": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.0",
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"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 9.8,
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"baseSeverity": "CRITICAL"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 5.9
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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"accessVector": "NETWORK",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "PARTIAL",
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"integrityImpact": "PARTIAL",
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"availabilityImpact": "PARTIAL",
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"baseScore": 7.5
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},
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"baseSeverity": "HIGH",
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"exploitabilityScore": 10.0,
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"impactScore": 6.4,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-119"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:apple:safari:46:*:*:*:technology_preview:*:*:*",
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"matchCriteriaId": "D0B3F3F3-4D70-47BD-A6D7-24A20B0FFB06"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://bugs.webkit.org/show_bug.cgi?id=181020",
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"source": "cve@mitre.org",
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"tags": [
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"Permissions Required"
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]
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},
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{
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"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",
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"source": "cve@mitre.org",
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"tags": [
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"Third Party Advisory"
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]
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}
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]
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} |