github - ghsa-7r55-mp9r-c8pj

GHSA-7R55-MP9R-C8PJ

Vulnerability from github – Published: 2023-11-14 21:31 – Updated: 2024-02-13 21:30

Details

TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.

Severity ?

5.7 (Medium)


                  
                    CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2023-20521"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-11-14T19:15:15Z",
    "severity": "MODERATE"
  },
  "details": "TOCTOU in the ASP Bootloader may allow an attacker with physical access to tamper with SPI ROM records after memory content verification, potentially leading to loss of confidentiality or a denial of service.\n\n\n\n\n\n\n\n\n\n\n\n\n",
  "id": "GHSA-7r55-mp9r-c8pj",
  "modified": "2024-02-13T21:30:25Z",
  "published": "2023-11-14T21:31:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20521"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2023-20521 (GCVE-0-2023-20521)

Vulnerability from cvelistv5 – Published: 2023-11-14 18:52 – Updated: 2024-08-02 09:05

Summary

Severity ?

3.3 (Low)


                        
                          CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:L

Assigner

AMD

References

URL

Tags

	https://www.amd.com/en/corporate/product-security…	vendor-advisory
	https://www.amd.com/en/corporate/product-security…	vendor-advisory
	https://www.amd.com/en/corporate/product-security…	vendor-advisory

Impacted products

Vendor

Product

Version

AMD

Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4

Affected: various

AMD	Ryzen™ Threadripper™ 2000 Series Processors “Colfax”	Affected: various
AMD	Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5	Affected: various
AMD	Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”	Affected: various
AMD	Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5	Affected: various
AMD	1st Gen AMD EPYC™ Processors	Affected: various
AMD	2nd Gen AMD EPYC™ Processors	Affected: various
AMD	3rd Gen AMD EPYC™ Processors	Affected: various
AMD	AMD EPYC™ Embedded 3000	Affected: various
AMD	AMD EPYC™ Embedded 7002	Affected: various
AMD	AMD EPYC™ Embedded 7003	Affected: various
AMD	AMD Ryzen™ Embedded R1000	Affected: various
AMD	AMD Ryzen™ Embedded R2000	Affected: various
AMD	AMD Ryzen™ Embedded V1000	Affected: various

Show details on NVD website

JSON

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  "containers": {
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      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2023-20521",
                "options": [
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                  },
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2023-11-27T19:38:18.334372Z",
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7R55-MP9R-C8PJ

CVE-2023-20521 (GCVE-0-2023-20521)

Tags

Sightings

Nomenclature