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106 lines
3.2 KiB
JSON
106 lines
3.2 KiB
JSON
{
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"id": "CVE-2020-28025",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2021-05-06T13:15:09.750",
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"lastModified": "2021-05-10T16:11:00.653",
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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": "Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory."
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},
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{
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"lang": "es",
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"value": "Exim 4 versiones anteriores a 4.94.2, permite una lectura fuera de l\u00edmites porque pdkim_finish_bodyhash no comprueba la relaci\u00f3n entre sig-)bodyhash.len y b-)bh.len; por lo tanto, un encabezado DKIM-Signature dise\u00f1ado podr\u00eda conllevar una filtraci\u00f3n de informaci\u00f3n confidencial de la memoria del proceso"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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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": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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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": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 7.5,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 3.6
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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:N/A:N",
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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": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.0
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 10.0,
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"impactScore": 2.9,
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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-125"
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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:exim:exim:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.00",
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"versionEndExcluding": "4.94.2",
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"matchCriteriaId": "E0B1EAB0-1202-4BB9-94AF-CC07299D0256"
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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://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28025-BHASH.txt",
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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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} |