{"id":"CVE-2023-24609","state":"PUBLISHED","title":"Matrix SSL 4.x through 4.6.0 and Rambus TLS Toolkit have a length-subtraction integer overflow for Client Hello Pre-Shared Key extension parsing in the TLS 1.3 server. An attacked ","description":"Matrix SSL 4.x through 4.6.0 and Rambus TLS Toolkit have a length-subtraction integer overflow for Client Hello Pre-Shared Key extension parsing in the TLS 1.3 server. An attacked device calculates an SHA-2 hash over at least 65 KB (in RAM). With a large number of crafted TLS messages, the CPU becomes heavily loaded. This occurs in tls13VerifyBinder and tls13TranscriptHashUpdate.","publishedAt":"2023-12-22T00:00:00.000Z","updatedAt":"2024-08-02T11:03:18.963Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842","https://www.rambus.com/security/software-protocols/tls-toolkit/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/24xxx/CVE-2023-24609.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-24609","state":"PUBLISHED","datePublished":"2023-12-22T00:00:00.000Z","dateUpdated":"2024-08-02T11:03:18.963Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2023-01-30T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Matrix SSL 4.x through 4.6.0 and Rambus TLS Toolkit have a length-subtraction integer overflow for Client Hello Pre-Shared Key extension parsing in the TLS 1.3 server. An attacked device calculates an SHA-2 hash over at least 65 KB (in RAM). With a large number of crafted TLS messages, the CPU becomes heavily loaded. This occurs in tls13VerifyBinder and tls13TranscriptHashUpdate."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842"},{"url":"https://www.rambus.com/security/software-protocols/tls-toolkit/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-12-22T03:45:20.227Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842","tags":["x_transferred"]},{"url":"https://www.rambus.com/security/software-protocols/tls-toolkit/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T11:03:18.963Z"}}]}}}