github - ghsa-hhx4-8rv9-cwrp

ghsa-hhx4-8rv9-cwrp

Vulnerability from github

Published

2022-09-25 00:00

Modified

2022-09-28 00:00

Severity ?

8.2 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Details

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-36338"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-09-23T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.",
  "id": "GHSA-hhx4-8rv9-cwrp",
  "modified": "2022-09-28T00:00:24Z",
  "published": "2022-09-25T00:00:19Z",
  "references": [
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    },
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  "schema_version": "1.4.0",
  "severity": [
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  ]
}

cve-2022-36338

Vulnerability from cvelistv5

Published

2022-09-23 17:17

Modified

2024-08-03 10:00

Severity ?

Summary

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.

References

▼	URL	Tags
	https://www.insyde.com/security-pledge	x_refsource_MISC
	https://binarly.io/advisories/BRLY-2022-017/index.html	x_refsource_MISC
	https://www.insyde.com/security-pledge/SA-2022029	x_refsource_MISC

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

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