fkie_cve-2023-31315
Vulnerability from fkie_nvd
Published
2024-08-12 13:38
Modified
2024-11-21 08:01
Severity ?
7.5 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
6.8 (Medium) - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
Summary
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
References
psirt@amd.comhttps://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html
af854a3a-2127-422b-91ae-364da2661108https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Enrique%20Nissim%20Krzysztof%20Okupski%20-%20AMD%20Sinkclose%20Universal%20Ring-2%20Privilege%20Escalation.pdf
af854a3a-2127-422b-91ae-364da2661108https://news.ycombinator.com/item?id=41475975
af854a3a-2127-422b-91ae-364da2661108https://www.darkreading.com/remote-workforce/amd-issues-updates-for-silicon-level-sinkclose-flaw
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Una validaci\u00f3n inadecuada en un registro espec\u00edfico del modelo (MSR) podr\u00eda permitir que un programa malicioso con acceso ring0 modifique la configuraci\u00f3n de SMM mientras el bloqueo SMI est\u00e1 habilitado, lo que podr\u00eda provocar la ejecuci\u00f3n de c\u00f3digo arbitrario."
    }
  ],
  "id": "CVE-2023-31315",
  "lastModified": "2024-11-21T08:01:46.107",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 6.0,
        "source": "psirt@amd.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 4.7,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-08-12T13:38:10.353",
  "references": [
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Enrique%20Nissim%20Krzysztof%20Okupski%20-%20AMD%20Sinkclose%20Universal%20Ring-2%20Privilege%20Escalation.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://news.ycombinator.com/item?id=41475975"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.darkreading.com/remote-workforce/amd-issues-updates-for-silicon-level-sinkclose-flaw"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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