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GHSA-3PHX-V48R-RMWC
Vulnerability from github – Published: 2024-08-13 18:31 – Updated: 2025-03-18 21:31
VLAI?
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.
Severity ?
7.5 (High)
{
"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 – Updated: 2025-03-18 20:03
VLAI?
EPSS
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.
Severity ?
7.5 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| AMD | AMD EPYC™ 7001 Processors |
Unaffected:
NaplesPI 1.0.0.K
(PI)
|
||
|
|
||||
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"options": [
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"timestamp": "2024-08-15T15:56:35.845479Z",
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},
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}
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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.
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