fkie_cve-2020-35517
Vulnerability from fkie_nvd
Published
2021-01-28 20:15
Modified
2024-11-21 05:27
Summary
A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.
Impacted products
Vendor Product Version
qemu qemu *



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "01657731-34D9-471D-BCD4-D7772822C761",
              "versionEndIncluding": "5.2.50",
              "versionStartIncluding": "5.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en qemu.\u0026#xa0;Se encontr\u00f3 un problema de escalada de privilegios del host en el demonio del sistema de archivos compartidos virtio-fs, donde un usuario invitado privilegiado puede crear un archivo especial de dispositivo en el directorio compartido y usarlo para dispositivos host de acceso de r/w"
    }
  ],
  "id": "CVE-2020-35517",
  "lastModified": "2024-11-21T05:27:28.727",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-01-28T20:15:12.913",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1915823"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c"
    },
    {
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      "tags": [
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        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202208-27"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210312-0002/"
    },
    {
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      "tags": [
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        "Third Party Advisory"
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      "url": "https://www.openwall.com/lists/oss-security/2021/01/22/1"
    },
    {
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      "tags": [
        "Issue Tracking",
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        "Third Party Advisory"
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1915823"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
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      "url": "https://security.gentoo.org/glsa/202208-27"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
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      "url": "https://security.netapp.com/advisory/ntap-20210312-0002/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://www.openwall.com/lists/oss-security/2021/01/22/1"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}


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