gsd-2018-7858
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.
Aliases
Aliases
CVE-2018-7858


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-7858",
    "description": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.",
    "id": "GSD-2018-7858",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-7858.html",
      "https://access.redhat.com/errata/RHSA-2018:2162",
      "https://access.redhat.com/errata/RHSA-2018:1646",
      "https://access.redhat.com/errata/RHSA-2018:1645",
      "https://access.redhat.com/errata/RHSA-2018:1644",
      "https://access.redhat.com/errata/RHSA-2018:1643",
      "https://access.redhat.com/errata/RHSA-2018:1416",
      "https://access.redhat.com/errata/RHSA-2018:1369",
      "https://ubuntu.com/security/CVE-2018-7858",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-7858.html",
      "https://linux.oracle.com/cve/CVE-2018-7858.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-7858"
      ],
      "details": "Quick Emulator (aka QEMU), when built with the Cirrus CLGD 54xx VGA Emulator support, allows local guest OS privileged users to cause a denial of service (out-of-bounds access and QEMU process crash) by leveraging incorrect region calculation when updating VGA display.",
      "id": "GSD-2018-7858",
      "modified": "2023-12-13T01:22:32.952015Z",
      "schema_version": "1.4.0"
    }
  },
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      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2020-11-10T18:54Z",
      "publishedDate": "2018-03-12T21:29Z"
    }
  }
}


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