fkie_cve-2021-26344
Vulnerability from fkie_nvd
Published
2024-08-13 17:15
Modified
2024-12-12 20:41
Summary
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
Impacted products
Vendor Product Version
amd epyc_7203_firmware *
amd epyc_7203 -
amd epyc_7203p_firmware *
amd epyc_7203p -
amd epyc_72f3_firmware *
amd epyc_72f3 -
amd epyc_7303_firmware *
amd epyc_7303 -
amd epyc_7303p_firmware *
amd epyc_7303p -
amd epyc_7313_firmware *
amd epyc_7313 -
amd epyc_7313p_firmware *
amd epyc_7313p -
amd epyc_7343_firmware *
amd epyc_7343 -
amd epyc_73f3_firmware *
amd epyc_73f3 -
amd epyc_7373x_firmware *
amd epyc_7373x -
amd epyc_7413_firmware *
amd epyc_7413 -
amd epyc_7443_firmware *
amd epyc_7443 -
amd epyc_7443p_firmware *
amd epyc_7443p -
amd epyc_74f3_firmware *
amd epyc_74f3 -
amd epyc_7453_firmware *
amd epyc_7453 -
amd epyc_7473x_firmware *
amd epyc_7473x -
amd epyc_7513_firmware *
amd epyc_7513 -
amd epyc_7543_firmware *
amd epyc_7543 -
amd epyc_7543p_firmware *
amd epyc_7543p -
amd epyc_75f3_firmware *
amd epyc_75f3 -
amd epyc_7573x_firmware *
amd epyc_7573x -
amd epyc_7643_firmware *
amd epyc_7643 -
amd epyc_7773x_firmware *
amd epyc_7773x -
amd epyc_7643p_firmware *
amd epyc_7643p -
amd epyc_7663_firmware *
amd epyc_7663 -
amd epyc_7663p_firmware *
amd epyc_7663p -
amd epyc_7713_firmware *
amd epyc_7713 -
amd epyc_7713p_firmware *
amd epyc_7713p -
amd epyc_7763_firmware *
amd epyc_7763 -
amd epyc_7h12_firmware *
amd epyc_7h12 -
amd epyc_7f72_firmware *
amd epyc_7f72 -
amd epyc_7f52_firmware *
amd epyc_7f52 -
amd epyc_7f32_firmware *
amd epyc_7f32 -
amd epyc_7742_firmware *
amd epyc_7742 -
amd epyc_7702p_firmware *
amd epyc_7702p -
amd epyc_7702_firmware *
amd epyc_7702 -
amd epyc_7662_firmware *
amd epyc_7662 -
amd epyc_7642_firmware *
amd epyc_7642 -
amd epyc_7552_firmware *
amd epyc_7552 -
amd epyc_7542_firmware *
amd epyc_7542 -
amd epyc_7532_firmware *
amd epyc_7532 -
amd epyc_7502p_firmware *
amd epyc_7502p -
amd epyc_7502_firmware *
amd epyc_7502 -
amd epyc_7452_firmware *
amd epyc_7452 -
amd epyc_7402p_firmware *
amd epyc_7402p -
amd epyc_7402_firmware *
amd epyc_7402 -
amd epyc_7352_firmware *
amd epyc_7352 -
amd epyc_7302p_firmware *
amd epyc_7302p -
amd epyc_7302_firmware *
amd epyc_7302 -
amd epyc_7282_firmware *
amd epyc_7282 -
amd epyc_7272_firmware *
amd epyc_7272 -
amd epyc_7262_firmware *
amd epyc_7262 -
amd epyc_7252_firmware *
amd epyc_7252 -
amd epyc_7232p_firmware *
amd epyc_7232p -
amd epyc_7601_firmware -
amd epyc_7601 -
amd epyc_7551p_firmware -
amd epyc_7551p -
amd epyc_7551_firmware -
amd epyc_7551 -
amd epyc_7501_firmware -
amd epyc_7501 -
amd epyc_7451_firmware -
amd epyc_7451 -
amd epyc_7401p_firmware -
amd epyc_7401p -
amd epyc_7401_firmware -
amd epyc_7401 -
amd epyc_7371_firmware -
amd epyc_7371 -
amd epyc_7351p_firmware -
amd epyc_7351p -
amd epyc_7351_firmware -
amd epyc_7351 -
amd epyc_7301_firmware -
amd epyc_7301 -
amd epyc_7281_firmware -
amd epyc_7281 -
amd epyc_7261_firmware -
amd epyc_7261 -
amd epyc_7251_firmware -
amd epyc_7251 -
amd epyc_7001_firmware -
amd epyc_7001 -



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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out of bounds memory write when processing the AMD\nPSP1 Configuration Block (APCB) could allow an attacker with access the ability\nto modify the BIOS image, and the ability to sign the resulting image, to\npotentially modify the APCB block resulting in arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Una escritura de memoria fuera de los l\u00edmites al procesar el bloque de configuraci\u00f3n AMD PSP1 (APCB) podr\u00eda permitir que un atacante con acceso a la capacidad de modificar la imagen del BIOS y la capacidad de firmar la imagen resultante modifique potencialmente el bloque APCB, lo que resultar\u00eda en la ejecuci\u00f3n de c\u00f3digo arbitrario."
    }
  ],
  "id": "CVE-2021-26344",
  "lastModified": "2024-12-12T20:41:30.647",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.6,
        "impactScore": 6.0,
        "source": "psirt@amd.com",
        "type": "Secondary"
      },
      {
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          "attackVector": "LOCAL",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
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        "exploitabilityScore": 1.5,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2024-08-13T17:15:17.113",
  "references": [
    {
      "source": "psirt@amd.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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