Vulnerability-Lookup

GHSA-GP8R-64C4-GGQW

Vulnerability from github – Published: 2023-05-09 21:30 – Updated: 2024-04-04 03:58

Details

Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to reveal the contents of the ASP (AMD Secure Processor) bootloader accessible memory to a serial port, resulting in a potential loss of integrity.

Severity

6.1 (Medium)


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

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  "affected": [],
  "aliases": [
    "CVE-2021-46759"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-05-09T20:15:12Z",
    "severity": "MODERATE"
  },
  "details": "Improper syscall input validation in AMD TEE\n(Trusted Execution Environment) may allow an attacker with physical access and\ncontrol of a Uapp that runs under the bootloader to reveal the contents of the\nASP (AMD Secure Processor) bootloader accessible memory to a serial port,\nresulting in a potential loss of integrity.\n\n\n\n\n\n\n\n\n\n\n\n\n",
  "id": "GHSA-gp8r-64c4-ggqw",
  "modified": "2024-04-04T03:58:00Z",
  "published": "2023-05-09T21:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46759"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-46759 (GCVE-0-2021-46759)

Vulnerability from cvelistv5 – Published: 2023-05-09 19:00 – Updated: 2025-01-27 17:34

Summary

Severity

6.1 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-27 17:30 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

AMD mitre root

References

1 reference

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

Impacted products

9 products

Vendor	Product	Version
AMD	Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4	Affected: various
AMD	Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4	Affected: various
AMD	Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP	Affected: various
AMD	Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”	Affected: various
AMD	Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5	Affected: various
AMD	Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”	Affected: various
AMD	Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”	Affected: various
AMD	Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”	Affected: various
AMD	Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”	Affected: various

Date Public

2023-05-09 16:30

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.