CVE-2024-37880 is a timing side channel vulnerability affecting the Kyber reference implementation (pq-crystals kyber) before version 9b8d306, specifically when compiled with LLVM Clang through 18.x using certain optimization options. This flaw allows an unauthenticated attacker to remotely recover an ML-KEM 512 secret key within minutes due to a secret-dependent branch in poly_frommsg. Rated 7.5 HIGH on CVSS, this vulnerability has a low attack complexity and a high impact on confidentiality. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2024-06-03CPE matchmatch criteria | cpe:2.3:a:pq-crystals:kyber:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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