{"id":"CVE-2024-1543","state":"PUBLISHED","title":"AES T-Table sub-cache-line leakage","description":"The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a side-channel attacker with cache-line resolution. In a controlled environment such as Intel SGX, an attacker can gain a per instruction sub-cache-line resolution allowing them to break the cache-line-level protection. For details on the attack refer to:  https://doi.org/10.46586/tches.v2024.i1.457-500","publishedAt":"2024-08-29T22:43:35.775Z","updatedAt":"2024-08-30T14:19:32.248Z","severity":{"score":4.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","source":"wolfSSL"},"assigner":"wolfSSL","products":["wolfSSL wolfSSL"],"affected":[{"vendor":"wolfSSL","product":"wolfSSL","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.6.5","versionType":"Release"}],"programFiles":["wolfcrypt/src/aes.c"],"repo":"https://github.com/wolfSSL/wolfssl"}],"references":["https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-566-dec-19-2023"],"weaknesses":["CWE-208"],"ingestedAt":"2026-10-29T20:06:59.846Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/1xxx/CVE-2024-1543.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-1543","state":"PUBLISHED","datePublished":"2024-08-29T22:43:35.775Z","dateUpdated":"2024-08-30T14:19:32.248Z","assignerShortName":"wolfSSL","assignerOrgId":"50d2cd11-d01a-48ed-9441-5bfce9d63b27","dateReserved":"2024-02-15T17:34:06.930Z"},"containers":{"cna":{"title":"AES T-Table sub-cache-line leakage","descriptions":[{"lang":"en","value":"The side-channel protected T-Table implementation in wolfSSL up to version 5.6.5 protects against a side-channel attacker with cache-line resolution. In a controlled environment such as Intel SGX, an attacker can gain a per instruction sub-cache-line resolution allowing them to break the cache-line-level protection. For details on the attack refer to:  https://doi.org/10.46586/tches.v2024.i1.457-500"}],"affected":[{"vendor":"wolfSSL","product":"wolfSSL","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.6.5","versionType":"Release"}],"programFiles":["wolfcrypt/src/aes.c"],"repo":"https://github.com/wolfSSL/wolfssl"}],"references":[{"url":"https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#wolfssl-release-566-dec-19-2023"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","description":"CWE-208: Observable Timing Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"wolfSSL","orgId":"50d2cd11-d01a-48ed-9441-5bfce9d63b27","dateUpdated":"2024-08-29T22:43:35.775Z"},"datePublic":"2023-12-19T18:30:00.000Z","impacts":[{"descriptions":[{"lang":"en","value":"Information Disclosure"}]}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"wolfssl","product":"wolfcrypt","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"5.6.6","versionType":"git"}],"cpes":["cpe:2.3:a:wolfssl:wolfcrypt:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-30T14:19:28.685421Z","id":"CVE-2024-1543","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-30T14:19:32.248Z"}}]}}}