github - ghsa-g73j-h828-gg82

GHSA-G73J-H828-GG82

Vulnerability from github – Published: 2022-05-24 17:29 – Updated: 2022-05-24 17:29

Details

bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and OpenIndiana through Hipster 2020.04), does not properly restrict VMCS and VMCB read/write operations, as demonstrated by a root user in a container on an Intel system, who can gain privileges by modifying VMCS_HOST_RIP.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-24718"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862",
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-09-25T04:23:00Z",
    "severity": "HIGH"
  },
  "details": "bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and OpenIndiana through Hipster 2020.04), does not properly restrict VMCS and VMCB read/write operations, as demonstrated by a root user in a container on an Intel system, who can gain privileges by modifying VMCS_HOST_RIP.",
  "id": "GHSA-g73j-h828-gg82",
  "modified": "2022-05-24T17:29:35Z",
  "published": "2022-05-24T17:29:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-24718"
    },
    {
      "type": "WEB",
      "url": "https://github.com/illumos/illumos-gate/blob/84971882a96ac0fecd538b02208054a872ff8af3/usr/src/uts/i86pc/io/vmm/intel/vmcs.c#L246-L249"
    },
    {
      "type": "WEB",
      "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.asc"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20201016-0002"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-24718 (GCVE-0-2020-24718)

Vulnerability from cvelistv5 – Published: 2020-09-25 03:49 – Updated: 2024-08-04 15:19

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/illumos/illumos-gate/blob/8497…	x_refsource_MISC
	https://security.FreeBSD.org/advisories/FreeBSD-S…	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-2020101…	x_refsource_CONFIRM

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JSON

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  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T15:19:09.334Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/illumos/illumos-gate/blob/84971882a96ac0fecd538b02208054a872ff8af3/usr/src/uts/i86pc/io/vmm/intel/vmcs.c#L246-L249"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.asc"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20201016-0002/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "versions": [
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      ],
      "descriptions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-16T10:06:12",
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      },
      "references": [
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        },
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          ],
          "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.asc"
        },
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          ],
          "url": "https://security.netapp.com/advisory/ntap-20201016-0002/"
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      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-24718",
          "STATE": "PUBLIC"
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        "affects": {
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              {
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                        ]
                      }
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                "vendor_name": "n/a"
              }
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        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
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              "refsource": "MISC",
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            },
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              "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:28.bhyve_vmcs.asc"
            },
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              "name": "https://security.netapp.com/advisory/ntap-20201016-0002/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20201016-0002/"
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    "dateReserved": "2020-08-27T00:00:00",
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}

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-G73J-H828-GG82

CVE-2020-24718 (GCVE-0-2020-24718)

Tags

Sightings

Nomenclature