cve-2021-46768
Vulnerability from cvelistv5
Published
2023-01-10 20:56
Modified
2024-08-04 05:17
Severity ?
EPSS score ?
Summary
Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.
References
Impacted products
Vendor | Product | Version | |||||
---|---|---|---|---|---|---|---|
▼ | AMD | 2nd Gen EPYC |
Version: various |
||||
|
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T05:17:42.402Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "packageName": "AGESA", "platforms": [ "x86" ], "product": "2nd Gen EPYC", "vendor": " AMD", "versions": [ { "status": "affected", "version": "various " } ] }, { "defaultStatus": "unaffected", "packageName": "AGESA", "platforms": [ "x86" ], "product": "3rd Gen EPYC", "vendor": "AMD", "versions": [ { "status": "affected", "version": "various " } ] } ], "datePublic": "2023-01-10T17:30:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.\u003cbr\u003e" } ], "value": "Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.\n" } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2023-01-11T07:01:59.843980Z", "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD" }, "references": [ { "tags": [ "vendor-advisory" ], "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032" } ], "source": { "advisory": "AMD-SB-1032", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" } } }, "cveMetadata": { "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "assignerShortName": "AMD", "cveId": "CVE-2021-46768", "datePublished": "2023-01-10T20:56:51.443Z", "dateReserved": "2022-03-31T16:50:27.872Z", "dateUpdated": "2024-08-04T05:17:42.402Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-46768\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2023-01-11T08:15:13.163\",\"lastModified\":\"2024-11-21T06:34:40.917\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service.\\n\"},{\"lang\":\"es\",\"value\":\"Una validaci\u00f3n de entrada insuficiente en el firmware SEV puede permitir que un atacante realice lecturas de memoria fuera de los l\u00edmites dentro del cargador de arranque ASP, lo que podr\u00eda provocar una denegaci\u00f3n de servicio.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.0.d\",\"matchCriteriaId\":\"88ECFD2A-170F-46B8-9013-4605ED25626F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:romepi:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B936879F-731E-4991-ACBB-16643F629B41\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"1.0.0.5\",\"matchCriteriaId\":\"46D6FD1B-4833-425D-A39E-2FC0A769C036\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1F64A4AA-A66B-4B2E-B8F1-F332E3945903\"}]}]}],\"references\":[{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\",\"source\":\"psirt@amd.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
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.