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CVE-2023-24609
Published: Dec 22, 2023
Modified: Aug 2, 2024
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
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