CVE-2021-26356 (GCVE-0-2021-26356)
Vulnerability from cvelistv5
Published
2023-05-09 18:58
Modified
2025-01-28 15:48
Summary
A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:24.804Z",
          "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-4001"
          },
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.4,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-26356",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-28T15:48:34.459184Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-367",
                "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-28T15:48:38.470Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "Ryzen\u2122 3000 Series Desktop Processors \u201cMatisse\u201d AM4",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "AMD Ryzen\u2122 5000 Series Desktop Processors \u201cVermeer\u201d AM4",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "3rd Gen AMD Ryzen\u2122 Threadripper\u2122 Processors \u201cCastle Peak\u201d HEDT",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "Ryzen\u2122 Threadripper\u2122 PRO Processors \u201cCastle Peak\u201d WS",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "Ryzen\u2122 Threadripper\u2122 PRO Processors \u201cChagall\u201d WS",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "1st Gen AMD EPYC\u2122 Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "2nd Gen AMD EPYC\u2122 Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "3rd Gen AMD EPYC\u2122 Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        }
      ],
      "datePublic": "2023-05-09T16:30:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A TOCTOU in ASP bootloader may allow an attacker\nto tamper with the SPI ROM following data read to memory potentially resulting\nin S3 data corruption and information disclosure.\n\n\n\n\n\n\n\n\u003cbr\u003e"
            }
          ],
          "value": "A TOCTOU in ASP bootloader may allow an attacker\nto tamper with the SPI ROM following data read to memory potentially resulting\nin S3 data corruption and information disclosure.\n\n\n\n\n\n\n\n\n"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-09T18:58:48.108Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "shortName": "AMD"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001"
        }
      ],
      "source": {
        "advisory": "AMD-SB-4001, AMD-SB-3001",
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
    "assignerShortName": "AMD",
    "cveId": "CVE-2021-26356",
    "datePublished": "2023-05-09T18:58:48.108Z",
    "dateReserved": "2021-01-29T21:24:26.149Z",
    "dateUpdated": "2025-01-28T15:48:38.470Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T20:26:24.804Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-26356\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-28T15:48:34.459184Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-367\", \"description\": \"CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-01-28T15:48:20.268Z\"}}], \"cna\": {\"source\": {\"advisory\": \"AMD-SB-4001, AMD-SB-3001\", \"discovery\": \"UNKNOWN\"}, \"affected\": [{\"vendor\": \"AMD\", \"product\": \"Ryzen\\u2122 3000 Series Desktop Processors \\u201cMatisse\\u201d AM4\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 5000 Series Desktop Processors \\u201cVermeer\\u201d AM4\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"3rd Gen AMD Ryzen\\u2122 Threadripper\\u2122 Processors \\u201cCastle Peak\\u201d HEDT\", \"versions\": [{\"status\": \"affected\", \"version\": \"various\"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"Ryzen\\u2122 Threadripper\\u2122 PRO Processors \\u201cCastle Peak\\u201d WS\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"Ryzen\\u2122 Threadripper\\u2122 PRO Processors \\u201cChagall\\u201d WS\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"1st Gen AMD EPYC\\u2122 Processors\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"2nd Gen AMD EPYC\\u2122 Processors\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"AMD\", \"product\": \"3rd Gen AMD EPYC\\u2122 Processors\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2023-05-09T16:30:00.000Z\", \"references\": [{\"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A TOCTOU in ASP bootloader may allow an attacker\\nto tamper with the SPI ROM following data read to memory potentially resulting\\nin S3 data corruption and information disclosure.\\n\\n\\n\\n\\n\\n\\n\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A TOCTOU in ASP bootloader may allow an attacker\\nto tamper with the SPI ROM following data read to memory potentially resulting\\nin S3 data corruption and information disclosure.\\n\\n\\n\\n\\n\\n\\n\\n\u003cbr\u003e\", \"base64\": false}]}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2023-05-09T18:58:48.108Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-26356\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-01-28T15:48:38.470Z\", \"dateReserved\": \"2021-01-29T21:24:26.149Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2023-05-09T18:58:48.108Z\", \"assignerShortName\": \"AMD\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…

Loading…