cve-2021-46772
Vulnerability from cvelistv5
Published
2024-08-13 16:50
Modified
2024-11-05 21:18
Severity ?
EPSS score ?
Summary
Insufficient input validation in the ABL may allow a privileged
attacker with access to the BIOS menu or UEFI shell to tamper with the
structure headers in SPI ROM causing an out of bounds memory read and write,
potentially resulting in memory corruption or denial of service.
References
Impacted products
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"affected", "product": "AMD EPYC\u2122 7003 Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "MilanPI 1.0.0.9" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 3000 Series Desktop Processors", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 5000 Series Desktop Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "ComboAM4V2 1.2.0.A" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 5000 Series Desktop Processor with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "ComboAM4V2 1.2.0.A" } ] }, { "defaultStatus": "affected", "product": "AMD Athlon\u2122 3000 Series Desktop Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 4000 Series Desktop Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Threadripper\u2122 3000 Series Processors", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000WX Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.6" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000WX Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.6" } ] }, { "defaultStatus": "affected", "product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 3000 Series Mobile Processor with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "CezannePI-FP6 1.0.0.E" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 7020 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "MendocinoPI-FT6 1.0.0.3" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 6000 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "RembrandtPI-FP7 1.0.0.7" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 7035 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "RembrandtPI-FP7 1.0.0.7" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 5000 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "CezannePI-FP6 1.0.0.E" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 3000 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", 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"AMD Ryzen\u2122 Embedded V1000 Series Processors", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded V2000 Series Processors", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded V3000 Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "EmbeddedPI-FP7r2 1.0.0.4" } ] } ], "datePublic": "2024-08-13T16:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eInsufficient input validation in the ABL may allow a privileged\nattacker with access to the BIOS menu or UEFI shell to tamper with the\nstructure headers in SPI ROM causing an out of bounds memory read and write,\npotentially resulting in memory corruption or denial of service.\n\n\n\n\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\u003c/div\u003e\n\n\n\n\n\n\u003c/span\u003e" } ], "value": "Insufficient input validation in the ABL may allow a privileged\nattacker with access to the BIOS menu or UEFI shell to tamper with the\nstructure headers in SPI ROM causing an out of bounds memory read and write,\npotentially resulting in memory corruption or denial of service." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.9, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "providerMetadata": { "dateUpdated": "2024-08-13T16:50:54.016Z", "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html" }, { "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html" }, { "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html" } ], "source": { "advisory": "AMD-SB-4002, AMD-SB-3002, AMD-SB-5001", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "assignerShortName": "AMD", "cveId": "CVE-2021-46772", "datePublished": "2024-08-13T16:50:54.016Z", "dateReserved": "2022-03-31T16:50:27.872Z", "dateUpdated": "2024-11-05T21:18:50.631Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-46772\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2024-08-13T17:15:17.993\",\"lastModified\":\"2024-11-05T22:35:01.630\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Insufficient input validation in the ABL may allow a privileged\\nattacker with access to the BIOS menu or UEFI shell to tamper with the\\nstructure headers in SPI ROM causing an out of bounds memory read and write,\\npotentially resulting in memory corruption or denial of service.\"},{\"lang\":\"es\",\"value\":\"Una validaci\u00f3n de entrada insuficiente en ABL puede permitir que un atacante privilegiado con acceso al men\u00fa del BIOS o al shell UEFI altere los encabezados de la estructura en la ROM SPI, lo que provoca una lectura y escritura de memoria fuera de los l\u00edmites, lo que podr\u00eda provocar da\u00f1os en la memoria o denegaci\u00f3n de servicio.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@amd.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\",\"baseScore\":3.9,\"baseSeverity\":\"LOW\"},\"exploitabilityScore\":0.8,\"impactScore\":2.7}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"},{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"references\":[{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html\",\"source\":\"psirt@amd.com\"},{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html\",\"source\":\"psirt@amd.com\"},{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html\",\"source\":\"psirt@amd.com\"}]}}" } }
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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.