github - ghsa-928c-mw7v-gxfh

ghsa-928c-mw7v-gxfh

Vulnerability from github

Published

2022-02-10 00:00

Modified

2022-02-10 00:00

Details

An unsafe pointer vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler. An attacker can use this unsafe pointer "ptr" to read or write or manipulate data in the SMRAM. Exploitation of this vulnerability can lead to escalation of privileges reserved only for SMM using the SwSMI handler.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-41838"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-03T02:15:00Z",
    "severity": "HIGH"
  },
  "details": "An unsafe pointer vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler. An attacker can use this unsafe pointer \"ptr\" to read or write or manipulate data in the SMRAM. Exploitation of this vulnerability can lead to escalation of privileges reserved only for SMM using the SwSMI handler.",
  "id": "GHSA-928c-mw7v-gxfh",
  "modified": "2022-02-10T00:00:59Z",
  "published": "2022-02-10T00:00:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41838"
    },
    {
      "type": "WEB",
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220222-0001"
    },
    {
      "type": "WEB",
      "url": "https://www.insyde.com/security-pledge"
    },
    {
      "type": "WEB",
      "url": "https://www.insyde.com/security-pledge/SA-2022023"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2021-41838

Vulnerability from cvelistv5

Published

2022-02-03 01:43

Modified

2024-08-04 03:22

Severity ?

Summary

An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check.

References

▼	URL	Tags
	https://www.insyde.com/security-pledge	x_refsource_MISC
	https://www.insyde.com/security-pledge/SA-2022023	x_refsource_MISC
	https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20220222-0001/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:22:24.937Z",
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          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.insyde.com/security-pledge"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.insyde.com/security-pledge/SA-2022023"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20220222-0001/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in SdHostDriver in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of a Numeric Range Comparison Without a Minimum Check."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-23T15:06:23",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "url": "https://www.insyde.com/security-pledge"
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          "url": "https://www.insyde.com/security-pledge/SA-2022023"
        },
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          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
        },
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          ],
          "url": "https://security.netapp.com/advisory/ntap-20220222-0001/"
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      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-41838",
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        "affects": {
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              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                "vendor_name": "n/a"
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        },
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        "references": {
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              "url": "https://www.insyde.com/security-pledge"
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              "refsource": "MISC",
              "url": "https://www.insyde.com/security-pledge/SA-2022023"
            },
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              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf"
            },
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              "url": "https://security.netapp.com/advisory/ntap-20220222-0001/"
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          ]
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    }
  },
  "cveMetadata": {
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    "assignerShortName": "mitre",
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    "datePublished": "2022-02-03T01:43:30",
    "dateReserved": "2021-10-01T00:00:00",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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