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115 lines
4.2 KiB
JSON
115 lines
4.2 KiB
JSON
{
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"id": "CVE-2020-27753",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2020-12-08T22:15:18.133",
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"lastModified": "2021-06-02T19:36:12.693",
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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": "There are several memory leaks in the MIFF coder in /coders/miff.c due to improper image depth values, which can be triggered by a specially crafted input file. These leaks could potentially lead to an impact to application availability or cause a denial of service. It was originally reported that the issues were in `AcquireMagickMemory()` because that is where LeakSanitizer detected the leaks, but the patch resolves issues in the MIFF coder, which incorrectly handles data being passed to `AcquireMagickMemory()`. This flaw affects ImageMagick versions prior to 7.0.9-0."
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},
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{
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"lang": "es",
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"value": "Se presentan varias p\u00e9rdidas de memoria en el codificador MIFF en el archivo /coders/miff.c debido a valores de profundidad de imagen inapropiados, que pueden activarse mediante un archivo de entrada especialmente dise\u00f1ado. Estas fugas podr\u00edan potencialmente tener un impacto en la disponibilidad de la aplicaci\u00f3n o causar una denegaci\u00f3n de servicio. Originalmente se report\u00f3 que los problemas estaban en la funci\u00f3n \"AcquireMagickMemory()\" porque ah\u00ed es donde LeakSanitizer detect\u00f3 las fugas, pero el parche resuelve problemas en el codificador MIFF, que maneja incorrectamente los datos que se pasan a la funci\u00f3n \"AcquireMagickMemory()\". Este fallo afecta a ImageMagick versiones anteriores a 7.0.9-0"
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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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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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": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.8,
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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:M/Au:N/C:N/I:N/A:P",
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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "PARTIAL",
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"baseScore": 4.3
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.6,
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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": 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": "secalert@redhat.com",
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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-401"
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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:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.9.10-69",
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"matchCriteriaId": "0DA39290-2761-4869-AC2B-A251A33AEA75"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "7.0.0-0",
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"versionEndExcluding": "7.0.9-0",
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"matchCriteriaId": "010CA5D7-72FB-40D2-B832-30482C376823"
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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://bugzilla.redhat.com/show_bug.cgi?id=1894229",
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"source": "secalert@redhat.com",
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"tags": [
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"Exploit",
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"Issue Tracking",
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"Patch",
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"Third Party Advisory"
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]
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}
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]
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} |