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ghsa-3phx-v48r-rmwc
Vulnerability from github
Published
2024-08-13 18:31
Modified
2025-03-18 21:31
Severity ?
VLAI Severity ?
Details
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
{
"affected": [],
"aliases": [
"CVE-2023-20578"
],
"database_specific": {
"cwe_ids": [
"CWE-367"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-13T17:15:19Z",
"severity": "HIGH"
},
"details": "A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow\nan attacker with ring0 privileges and access to the\nBIOS menu or UEFI shell to modify the communications buffer\u00a0potentially\nresulting in arbitrary code execution.",
"id": "GHSA-3phx-v48r-rmwc",
"modified": "2025-03-18T21:31:48Z",
"published": "2024-08-13T18:31:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20578"
},
{
"type": "WEB",
"url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2023-20578 (GCVE-0-2023-20578)
Vulnerability from cvelistv5
Published
2024-08-13 16:52
Modified
2025-03-18 20:03
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow
an attacker with ring0 privileges and access to the
BIOS menu or UEFI shell to modify the communications buffer potentially
resulting in arbitrary code execution.
References
| URL | Tags | |
|---|---|---|
Impacted products
{
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"cpe:2.3:h:amd:epyc_7001:-:*:*:*:*:*:*:*"
],
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"product": "epyc_7001",
"vendor": "amd",
"versions": [
{
"status": "unaffected",
"version": "1.0.0.k"
}
]
},
{
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],
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"vendor": "amd",
"versions": [
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"version": "1.0.0.g"
}
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},
{
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],
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"vendor": "amd",
"versions": [
{
"status": "unaffected",
"version": "1.0.0.2"
}
]
},
{
"cpes": [
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],
"defaultStatus": "unknown",
"product": "epyc_embedded_3000",
"vendor": "amd",
"versions": [
{
"status": "unaffected",
"version": "1.1.0.a"
}
]
},
{
"cpes": [
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],
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}
]
},
{
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],
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],
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],
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"versions": [
{
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"version": "1.0.0.8"
}
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"metrics": [
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"options": [
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},
{
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},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-15T15:56:35.845479Z",
"version": "2.0.3"
},
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}
}
],
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"description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
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}
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"providerMetadata": {
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"cna": {
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"packageName": "PI",
"product": "AMD EPYC\u2122 7001 Processors",
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},
{
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"versions": [
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}
]
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}
]
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{
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"product": "AMD Ryzen\u2122 6000 Series Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
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"version": "RembrandtPI-FP7 1.0.0.9b"
}
]
},
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"product": "AMD Ryzen\u2122 7035 Series Processors with Radeon\u2122 Graphics",
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}
]
},
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"product": "AMD EPYC\u2122 Embedded 3000",
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"versions": [
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"version": "SnowyOwl PI 1.1.0.A"
}
]
},
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]
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}
]
},
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"version": "EmbeddedPI-FP7r2 1.0.0.8"
}
]
}
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"datePublic": "2024-08-13T16:00:00.000Z",
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"dateUpdated": "2025-03-18T20:03:43.905Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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.
- 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.
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