CVE-2021-26398 (GCVE-0-2021-26398)
Vulnerability from cvelistv5
Published
2023-01-10 20:56
Modified
2025-04-09 14:38
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Summary
Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.
References
Impacted products
Vendor Product Version
AMD 1st Gen EPYC Version: various
Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:24.878Z",
          "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": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-26398",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-09T14:37:21.765798Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-09T14:38:06.009Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA ",
          "platforms": [
            "x86"
          ],
          "product": "1st Gen EPYC ",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "2nd Gen EPYC",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "Various "
            }
          ]
        },
        {
          "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": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.\n\n"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "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-2021-26398",
    "datePublished": "2023-01-10T20:56:40.452Z",
    "dateReserved": "2021-01-29T21:24:26.167Z",
    "dateUpdated": "2025-04-09T14:38:06.009Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"cna\": {\"affected\": [{\"defaultStatus\": \"unaffected\", \"packageName\": \"AGESA \", \"platforms\": [\"x86\"], \"product\": \"1st Gen EPYC \", \"vendor\": \"AMD\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}]}, {\"defaultStatus\": \"unaffected\", \"packageName\": \"AGESA\", \"platforms\": [\"x86\"], \"product\": \"2nd Gen EPYC\", \"vendor\": \"AMD\", \"versions\": [{\"status\": \"affected\", \"version\": \"Various \"}]}, {\"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\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.\u003cbr\u003e\u003cbr\u003e\"}], \"value\": \"Insufficient input validation in SYS_KEY_DERIVE system call in a compromised user application or ABL may allow an attacker to corrupt ASP (AMD Secure Processor) OS memory which may lead to potential arbitrary code execution.\\n\\n\"}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2023-01-11T07:01:59.843Z\"}, \"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\"}, \"problemTypes\": [{\"descriptions\": [{\"description\": \"n/a\", \"lang\": \"en\", \"type\": \"text\"}]}]}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T20:26:24.878Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-26398\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-09T14:37:21.765798Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-09T14:37:55.586Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-26398\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"AMD\", \"dateReserved\": \"2021-01-29T21:24:26.167Z\", \"datePublished\": \"2023-01-10T20:56:40.452Z\", \"dateUpdated\": \"2025-04-09T14:38:06.009Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.