github - ghsa-gpgx-6j76-jh6m

GHSA-GPGX-6J76-JH6M

Vulnerability from github – Published: 2023-02-20 18:30 – Updated: 2023-03-01 18:30

Details

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-32847"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-02-20T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f.",
  "id": "GHSA-gpgx-6j76-jh6m",
  "modified": "2023-03-01T18:30:57Z",
  "published": "2023-02-20T18:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32847"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316"
    },
    {
      "type": "ADVISORY",
      "url": "https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-32847 (GCVE-0-2021-32847)

Vulnerability from cvelistv5 – Published: 2023-02-20 00:00 – Updated: 2025-03-10 21:09

Summary

Severity ?

7.1 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CWE

CWE-125 - Out-of-bounds Read

Assigner

GitHub_M

References

URL

Tags

	https://securitylab.github.com/advisories/GHSL-20…
	https://github.com/moby/hyperkit/blob/2f061e447e1…
	https://github.com/moby/hyperkit/commit/cf60095a4…

Impacted products

	Vendor	Product	Version
	moby	hyperkit	Affected: 0.20210107 , ≤ 0.20210107 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:33:55.922Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-32847",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-10T21:00:41.080088Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-10T21:09:34.018Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "hyperkit",
          "vendor": "moby",
          "versions": [
            {
              "lessThanOrEqual": "0.20210107",
              "status": "affected",
              "version": "0.20210107",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed in commit cf60095a4d8c3cb2e182a14415467afd356e982f."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
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        "shortName": "GitHub_M"
      },
      "references": [
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          "url": "https://securitylab.github.com/advisories/GHSL-2021-058-moby-hyperkit/"
        },
        {
          "url": "https://github.com/moby/hyperkit/blob/2f061e447e1435cdf1b9eda364cea6414f2c606b/src/lib/pci_virtio_block.c#L316"
        },
        {
          "url": "https://github.com/moby/hyperkit/commit/cf60095a4d8c3cb2e182a14415467afd356e982f"
        }
      ],
      "source": {
        "advisory": "GHSL-2021-058",
        "defect": [
          "GHSL-2021-058"
        ],
        "discovery": "UNKNOWN"
      },
      "title": "Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2021-32847",
    "datePublished": "2023-02-20T00:00:00.000Z",
    "dateReserved": "2021-05-12T00:00:00.000Z",
    "dateUpdated": "2025-03-10T21:09:34.018Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-GPGX-6J76-JH6M

CVE-2021-32847 (GCVE-0-2021-32847)

Tags

Sightings

Nomenclature