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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
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-13 18:29 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.amd.com/en/resources/product-security… | vendor-advisory |
Impacted products
32 products
Date Public
2024-08-13 16:00
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Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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