CVE-2023-20584 (GCVE-0-2023-20584)
Vulnerability from cvelistv5
Published
2024-08-13 16:53
Modified
2024-11-05 21:40
Severity ?
5.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Summary
IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.
References
Impacted products
Vendor Product Version
AMD AMD EPYC™ 7003 Processors Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-20584",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-13T17:31:27.946120Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-05T21:40:37.392Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 7003 Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "MilanPI 1.0.0.C",
              "versionType": "PI"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 9004 Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "GenoaPI 1.0.0.B"
            }
          ]
        }
      ],
      "datePublic": "2024-08-13T16:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eIOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised \u003ca target=\"_blank\" rel=\"nofollow\"\u003eHypervisor \u003c/a\u003eto\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity.\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\n\n\u003cdiv\u003e\n\n\n\n\n\n\u003cdiv\u003e\n\n\u003cdiv\u003e\u003ca target=\"_blank\" rel=\"nofollow\"\u003e\u003c/a\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003c/div\u003e\u003c/div\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\u003c/span\u003e"
            }
          ],
          "value": "IOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-08-13T16:53:18.373Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "shortName": "AMD"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
        }
      ],
      "source": {
        "advisory": "AMD-SB-4002, AMD-SB-3002, AMD-SB-5001",
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
    "assignerShortName": "AMD",
    "cveId": "CVE-2023-20584",
    "datePublished": "2024-08-13T16:53:18.373Z",
    "dateReserved": "2022-10-27T18:53:39.759Z",
    "dateUpdated": "2024-11-05T21:40:37.392Z",
    "state": "PUBLISHED"
  },
  "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.