cve-2021-46760
Vulnerability from cvelistv5
Published
2023-05-09 19:01
Modified
2025-01-27 17:29
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.
References
psirt@amd.comhttps://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001Vendor Advisory
Impacted products
Vendor Product Version
AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT Version: various
 Create a notification for this product.
   AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS Version: various
Create a notification for this product.
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         containers: "{\"cna\": {\"affected\": [{\"defaultStatus\": \"unaffected\", \"packageName\": \"AGESA\", \"platforms\": [\"x86\"], \"product\": \"3rd Gen AMD Ryzen\\u2122 Threadripper\\u2122 Processors \\u201cCastle Peak\\u201d HEDT\", \"vendor\": \"AMD\", \"versions\": [{\"status\": \"affected\", \"version\": \"various\"}]}, {\"defaultStatus\": \"unaffected\", \"packageName\": \"AGESA\", \"platforms\": [\"x86\"], \"product\": \"Ryzen\\u2122 Threadripper\\u2122 PRO Processors \\u201cCastle Peak\\u201d WS\", \"vendor\": \"AMD\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}]}], \"datePublic\": \"2023-05-09T16:30:00.000Z\", \"descriptions\": [{\"lang\": \"en\", \"supportingMedia\": [{\"base64\": false, \"type\": \"text/html\", \"value\": \"A malicious or compromised UApp or ABL can send\\na malformed system call to the bootloader, which may result in an out-of-bounds\\nmemory access that may potentially lead to an attacker leaking sensitive\\ninformation or achieving code execution.\\n\\n\\n\\n<br>\"}], \"value\": \"A malicious or compromised UApp or ABL can send\\na malformed system call to the bootloader, which may result in an out-of-bounds\\nmemory access that may potentially lead to an attacker leaking sensitive\\ninformation or achieving code execution.\\n\\n\\n\\n\\n\"}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2023-05-09T19:01:05.377Z\"}, \"references\": [{\"tags\": [\"vendor-advisory\"], \"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001\"}], \"source\": {\"advisory\": \"AMD-SB-4001\", \"discovery\": \"UNKNOWN\"}, \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:17:42.578Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 9.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-46760\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-01-27T17:28:26.554513Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770 Allocation of Resources Without Limits or Throttling\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-01-27T17:29:27.356Z\"}}]}",
         cveMetadata: "{\"cveId\": \"CVE-2021-46760\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"state\": \"PUBLISHED\", \"assignerShortName\": \"AMD\", \"dateReserved\": \"2022-03-31T16:50:27.869Z\", \"datePublished\": \"2023-05-09T19:01:05.377Z\", \"dateUpdated\": \"2025-01-27T17:29:32.464Z\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



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Sightings

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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.
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  • 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.