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142 lines
4.6 KiB
JSON
142 lines
4.6 KiB
JSON
![]() |
{
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"id": "CVE-2020-27754",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2020-12-08T22:15:18.227",
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"lastModified": "2023-03-11T23:15:12.477",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "In IntensityCompare() of /magick/quantize.c, there are calls to PixelPacketIntensity() which could return overflowed values to the caller when ImageMagick processes a crafted input file. To mitigate this, the patch introduces and uses the ConstrainPixelIntensity() function, which forces the pixel intensities to be within the proper bounds in the event of an overflow. This flaw affects ImageMagick versions prior to 6.9.10-69 and 7.0.8-69."
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},
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{
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"lang": "es",
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"value": "En la funci\u00f3n IntensityCompare() del archivo /magick/quantize.c, se presentan llamadas a PixelPacketIntensity() que podr\u00edan devolver valores desbordados a la persona que llama cuando ImageMagick procesa un archivo de entrada dise\u00f1ado. Para mitigar esto, el parche introduce y utiliza la funci\u00f3n ConstrainPixelIntensity(), que obliga a las intensidades de p\u00edxeles a estar dentro de los l\u00edmites adecuados en caso de un desbordamiento. Este fallo afecta a ImageMagick versiones anteriores a 6.9.10-69 y 7.0.8-69"
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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:L",
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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": "LOW",
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"baseScore": 3.3,
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"baseSeverity": "LOW"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 1.4
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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-190"
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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": "7.0.8",
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"versionEndExcluding": "7.0.8-69",
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"matchCriteriaId": "3224AE1E-CEFD-40C3-AC2B-076E0EDC254D"
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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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"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:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
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"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
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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=1894231",
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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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"url": "https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html",
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"source": "secalert@redhat.com",
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"tags": [
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"Mailing List",
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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://lists.debian.org/debian-lts-announce/2023/03/msg00008.html",
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"source": "secalert@redhat.com"
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}
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]
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}
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