{"id":"CVE-2023-41097","summary":"Potential Timing vulnerability in CBC PKCS7 padding calculations","details":"An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.","modified":"2026-08-12T03:51:47.817697598Z","published":"2023-12-21T20:33:04.967Z","database_specific":{"cna_assigner":"Silabs","cwe_ids":["CWE-208","CWE-327"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41097.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41097.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41097"},{"type":"ADVISORY","url":"https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm0000007rArIAI?operationContext=S1"},{"type":"FIX","url":"https://github.com/SiliconLabs/gecko_sdk/releases"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/siliconlabs/gecko_sdk","events":[{"introduced":"0"},{"fixed":"124fa19de8c8b3961d21c20857f7df32239786da"}],"database_specific":{"cpe":"cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"4.4.0"},{"last_affected":"4.4.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v4.3.2","v4.3.1","v4.2.3","v4.3.0","v4.2.2","v4.2.1","v4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-41097.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}