fkie_cve-2021-26344
Vulnerability from fkie_nvd
Published
2024-08-13 17:15
Modified
2024-12-12 20:41
Severity ?
7.2 (High) - CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
8.2 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
8.2 (High) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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.
References
▼ | URL | Tags | |
---|---|---|---|
psirt@amd.com | https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html | Vendor Advisory |
Impacted products
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escritura de memoria fuera de los l\u00edmites al procesar el bloque de configuraci\u00f3n AMD PSP1 (APCB) podr\u00eda permitir que un atacante con acceso a la capacidad de modificar la imagen del BIOS y la capacidad de firmar la imagen resultante modifique potencialmente el bloque APCB, lo que resultar\u00eda en la ejecuci\u00f3n de c\u00f3digo arbitrario." } ], "id": "CVE-2021-26344", "lastModified": "2024-12-12T20:41:30.647", "metrics": { "cvssMetricV31": [ { "cvssData": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 0.6, "impactScore": 6.0, "source": "psirt@amd.com", "type": "Secondary" }, { "cvssData": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2024-08-13T17:15:17.113", "references": [ { "source": "psirt@amd.com", "tags": [ "Vendor Advisory" ], "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html" } ], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Analyzed", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-787" } ], "source": "nvd@nist.gov", "type": "Primary" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.