github - ghsa-3h77-rgfr-6455

GHSA-3H77-RGFR-6455

Vulnerability from github – Published: 2021-12-11 00:00 – Updated: 2021-12-16 00:03

Details

Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-12890"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-12-10T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "Improper handling of pointers in the System Management Mode (SMM) handling code may allow for a privileged attacker with physical or administrative access to potentially manipulate the AMD Generic Encapsulated Software Architecture (AGESA) to execute arbitrary code undetected by the operating system.",
  "id": "GHSA-3h77-rgfr-6455",
  "modified": "2021-12-16T00:03:01Z",
  "published": "2021-12-11T00:00:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12890"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-12890 (GCVE-0-2020-12890)

Vulnerability from cvelistv5 – Published: 2021-12-10 21:56 – Updated: 2024-09-16 23:36

Summary

Severity ?

No CVSS data available.

CWE

Assigner

AMD

References

URL

Tags

https://www.amd.com/en/corporate/product-security

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	AMD	AMD Processors	Unaffected: Processor EPYC

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JSON

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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-3H77-RGFR-6455

CVE-2020-12890 (GCVE-0-2020-12890)

Tags

Sightings

Nomenclature