{
  "id": "CVE-2020-27661",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-06-02T16:15:08.320",
  "lastModified": "2024-11-21T05:21:37.007",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un problema de divisi\u00f3n por cero en la funci\u00f3n dwc2_handle_packet en el archivo hw/usb/hcd-dwc2.c en la emulaci\u00f3n del controlador de host USB hcd-dwc2 de QEMU. Un hu\u00e9sped malicioso podr\u00eda utilizar este fallo para bloquear el proceso de QEMU en el host, resultando en una denegaci\u00f3n de servicio"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 4.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "5.1.1",
              "matchCriteriaId": "37A49175-42F7-433A-82A0-59D9A969E731"
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  ],
  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1890653",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
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        "Third Party Advisory"
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    },
    {
      "url": "https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=bea2a9e3e00b275dc40cfa09c760c715b8753e03",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20210720-0010/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1770368.html",
      "source": "cve@mitre.org"
    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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}