github - ghsa-m338-vvr5-wrph

GHSA-M338-VVR5-WRPH

Vulnerability from github – Published: 2023-01-11 09:30 – Updated: 2023-01-19 00:30

Details

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.

Severity ?

5.5 (Medium)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26343"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-668"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-01-11T08:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.",
  "id": "GHSA-m338-vvr5-wrph",
  "modified": "2023-01-19T00:30:31Z",
  "published": "2023-01-11T09:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26343"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-26343 (GCVE-0-2021-26343)

Vulnerability from cvelistv5 – Published: 2023-01-10 20:56 – Updated: 2025-04-09 13:25

Summary

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.

Severity ?

5.5 (Medium)


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

CWE

Assigner

AMD

References

URL

Tags

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

vendor-advisory

Impacted products

	Vendor	Product	Version
	AMD	3rd Gen EPYC	Affected: various

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:24.896Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-26343",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-09T13:24:06.614880Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-668",
                "description": "CWE-668 Exposure of Resource to Wrong Sphere",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-09T13:25:42.403Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "3rd Gen EPYC",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        }
      ],
      "datePublic": "2023-01-10T17:30:00.000Z",
      "descriptions": [
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          ],
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        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2023-01-11T07:01:59.843Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "shortName": "AMD"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
        }
      ],
      "source": {
        "advisory": "AMD-SB-1032",
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
    "assignerShortName": "AMD",
    "cveId": "CVE-2021-26343",
    "datePublished": "2023-01-10T20:56:34.870Z",
    "dateReserved": "2021-01-29T21:24:26.144Z",
    "dateUpdated": "2025-04-09T13:25:42.403Z",
    "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-M338-VVR5-WRPH

CVE-2021-26343 (GCVE-0-2021-26343)

Tags

Sightings

Nomenclature