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GHSA-9H7F-R33V-RW4R
Vulnerability from github – Published: 2024-08-13 18:31 – Updated: 2024-08-13 18:31
VLAI?
Details
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
Severity ?
7.2 (High)
{
"affected": [],
"aliases": [
"CVE-2021-26344"
],
"database_specific": {
"cwe_ids": [
"CWE-787"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-08-13T17:15:17Z",
"severity": "HIGH"
},
"details": "An out of bounds memory write when processing the AMD\nPSP1 Configuration Block (APCB) could allow an attacker with access the ability\nto modify the BIOS image, and the ability to sign the resulting image, to\npotentially modify the APCB block resulting in arbitrary code execution.",
"id": "GHSA-9h7f-r33v-rw4r",
"modified": "2024-08-13T18:31:15Z",
"published": "2024-08-13T18:31:15Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26344"
},
{
"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:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2021-26344 (GCVE-0-2021-26344)
Vulnerability from cvelistv5 – Published: 2024-08-13 16:49 – Updated: 2025-03-18 15:35
VLAI?
EPSS
Summary
An out of bounds memory write when processing the AMD
PSP1 Configuration Block (APCB) could allow an attacker with access the ability
to modify the BIOS image, and the ability to sign the resulting image, to
potentially modify the APCB block resulting in arbitrary code execution.
Severity ?
7.2 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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"versions": [
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
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],
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},
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],
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}
]
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"options": [
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},
{
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},
{
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"timestamp": "2024-08-13T18:29:11.333464Z",
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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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