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122 lines
3.6 KiB
JSON
122 lines
3.6 KiB
JSON
{
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"id": "CVE-2018-20452",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2018-12-25T17:29:00.360",
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"lastModified": "2024-11-21T04:01:30.733",
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"vulnStatus": "Modified",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "The read_MSAT_body function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2_read_header in ole.c."
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},
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{
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"lang": "es",
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"value": "La funci\u00f3n read_MSAT_body en ole.c en libxls 1.4.0 tiene una liberaci\u00f3n no v\u00e1lida que permite que los atacantes provoquen una denegaci\u00f3n de servicio (cierre inesperado de la aplicaci\u00f3n) u otro tipo de impacto sin especificar mediante un archivo manipulado. Esto se debe a la gesti\u00f3n inconsistente de la memoria (nueva o liberada) en ole2_read_header en ole.c."
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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:R/S:U/C:H/I:H/A:H",
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"baseScore": 8.8,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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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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},
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"exploitabilityScore": 2.8,
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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:M/Au:N/C:P/I:P/A:P",
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"baseScore": 6.8,
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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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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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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.6,
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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": true
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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:libxls_project:libxls:1.4.0:*:*:*:*:*:*:*",
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"matchCriteriaId": "478735AA-A37F-46A0-86A9-DA9F84AF9EAC"
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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://github.com/evanmiller/libxls/issues/35",
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"source": "cve@mitre.org",
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"tags": [
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"Exploit",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://security.gentoo.org/glsa/202003-64",
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"source": "cve@mitre.org"
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},
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{
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"url": "https://github.com/evanmiller/libxls/issues/35",
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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"Exploit",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://security.gentoo.org/glsa/202003-64",
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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}
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]
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} |