GSD-2018-20621

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM.
Aliases
Aliases
CVE-2018-20621
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{
  "GSD": {
    "alias": "CVE-2018-20621",
    "description": "An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM.",
    "id": "GSD-2018-20621"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-20621"
      ],
      "details": "An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM.",
      "id": "GSD-2018-20621",
      "modified": "2023-12-13T01:22:29.232817Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2018-20621",
        "STATE": "PUBLIC"
      },
      "affects": {
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                    "version": {
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      "data_type": "CVE",
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      "description": {
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          }
        ]
      },
      "problemtype": {
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621",
            "refsource": "MISC",
            "url": "https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621"
          }
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      }
    },
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        "nodes": [
          {
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            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:microvirt:memu:6.0.6:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
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      "cve": {
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          "ID": "CVE-2018-20621"
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        "data_type": "CVE",
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        "description": {
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              "value": "An issue was discovered in Microvirt MEmu 6.0.6. The MemuService.exe service binary is vulnerable to local privilege escalation through binary planting due to insecure permissions set at install time. This allows code to be run as NT AUTHORITY/SYSTEM."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-732"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2018-20621",
              "refsource": "MISC",
              "tags": [
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                "Third Party Advisory"
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2019-10-03T00:03Z",
      "publishedDate": "2019-03-13T08:29Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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