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128 lines
4.0 KiB
JSON
128 lines
4.0 KiB
JSON
{
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"id": "CVE-2020-35503",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2021-06-02T14:15:07.877",
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"lastModified": "2022-05-13T17:28:30.917",
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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": "A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."
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},
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{
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"lang": "es",
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"value": "Se ha encontrado un fallo de desreferencia del puntero NULL en la emulaci\u00f3n megasas-gen2 SCSI host bus adapter de QEMU en versiones anteriores a 6.0 incluy\u00e9ndola. Este problema ocurre en la funci\u00f3n callback megasas_command_cancelled() mientras se deja caer una petici\u00f3n SCSI. Este fallo permite a un usuario invitado con privilegios bloquear el proceso QEMU en el host, resultando en una denegaci\u00f3n de servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"
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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:H/UI:N/S:C/C:N/I:N/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseScore": 6.0,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 1.5,
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"impactScore": 4.0
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}
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],
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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:L/AC:L/Au:N/C:N/I:N/A:P",
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"accessVector": "LOCAL",
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"accessComplexity": "LOW",
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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": 2.1
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},
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"baseSeverity": "LOW",
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"exploitabilityScore": 3.9,
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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": "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-476"
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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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"versionEndIncluding": "6.0.0",
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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=1910346",
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"source": "secalert@redhat.com",
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"tags": [
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"Issue Tracking",
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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.netapp.com/advisory/ntap-20210720-0008/",
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"source": "secalert@redhat.com",
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"tags": [
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"Third Party Advisory"
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}
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]
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} |