{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-4020","assignerOrgId":"030b2754-1501-44a4-bef8-48be86a33bf4","state":"PUBLISHED","assignerShortName":"Silabs","dateReserved":"2023-07-31T14:55:52.590Z","datePublished":"2023-12-15T20:37:20.123Z","dateUpdated":"2024-09-26T14:11:59.084Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"GSDK","vendor":"silabs.com","versions":[{"lessThan":"4.4.0","status":"affected","version":"1.0","versionType":"patch"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory."}],"value":"An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory."}],"impacts":[{"capecId":"CAPEC-129","descriptions":[{"lang":"en","value":"CAPEC-129 Pointer Manipulation"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"030b2754-1501-44a4-bef8-48be86a33bf4","shortName":"Silabs","dateUpdated":"2024-09-26T14:11:59.084Z"},"references":[{"url":"https://github.com/SiliconLabs/gecko_sdk/releases"},{"url":"https://community.silabs.com/069Vm0000004b95IAA"}],"source":{"discovery":"UNKNOWN"},"title":"Unvalidated input in Silicon Labs PSA Attestation service leads to secure memory access from non-secure memory","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:17:11.417Z"},"title":"CVE Program Container","references":[{"url":"https://github.com/SiliconLabs/gecko_sdk/releases","tags":["x_transferred"]},{"url":"https://community.silabs.com/069Vm0000004b95IAA","tags":["x_transferred"]}]}]}}