github - ghsa-x6rx-7w39-qpg5

ghsa-x6rx-7w39-qpg5

Vulnerability from github

Published

2024-08-05 18:31

Modified

2024-08-05 18:31

Severity ?

6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Details

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2023-31355"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-05T16:15:34Z",
    "severity": "MODERATE"
  },
  "details": "Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest\u0027s UMC seed potentially allowing reading of memory from a decommissioned guest.",
  "id": "GHSA-x6rx-7w39-qpg5",
  "modified": "2024-08-05T18:31:43Z",
  "published": "2024-08-05T18:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-31355"
    },
    {
      "type": "WEB",
      "url": "https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

cve-2023-31355

Vulnerability from cvelistv5

Published

2024-08-05 16:04

Modified

2024-08-06 14:58

Severity ?

6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Summary

Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.

References

▼	URL	Tags
	https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html	vendor-advisory

Impacted products

▼	Vendor	Product
	AMD	3rd Gen AMD EPYC™ Processors
	AMD	4th Gen AMD EPYC™ Processors
	AMD	AMD EPYC™ Embedded 7003
	AMD	AMD EPYC™ Embedded 9003

Show details on NVD website

JSON

To clipboard

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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-31355",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-06T14:07:12.426239Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-06T14:58:40.899Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
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          "defaultStatus": "affected",
          "product": "3rd Gen AMD EPYC\u2122 Processors",
          "vendor": "AMD",
          "versions": [
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              "status": "affected",
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        },
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          "product": "4th Gen AMD EPYC\u2122 Processors",
          "vendor": "AMD",
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              "status": "affected",
              "version": "various",
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          ]
        },
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          "product": "AMD EPYC\u2122 Embedded 7003",
          "vendor": "AMD",
          "versions": [
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              "status": "affected",
              "version": "various",
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        },
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              "status": "affected",
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      "datePublic": "2024-08-05T16:00:00.000Z",
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          ],
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      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
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            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
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          "url": "https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html"
        }
      ],
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    "datePublished": "2024-08-05T16:04:24.813Z",
    "dateReserved": "2023-04-27T15:25:41.428Z",
    "dateUpdated": "2024-08-06T14:58:40.899Z",
    "state": "PUBLISHED"
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}

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.

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