CVE-2024-37880

CVSS 7.5 HIGHEPSS 0.7%CWE-203

Vexday Risk Score

21Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 7.5EPSS 0.7%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

10 jun 2024Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

The Kyber reference implementation before 9b8d306, when compiled by LLVM Clang through 18.x with some common optimization options, has a timing side channel that allows attackers to recover an ML-KEM 512 secret key in minutes. This occurs because poly_frommsg in poly.c does not prevent Clang from emitting a vulnerable secret-dependent branch.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Produtos afetados

n/a · n/a

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Referências

https://github.com/antoonpurnal/clangover https://github.com/pq-crystals/kyber/commit/9b8d30698a3e7449aeb34e62339d4176f11e3c6c https://news.ycombinator.com/item?id=40577486 https://pqshield.com/pqshield-plugs-timing-leaks-in-kyber-ml-kem-to-improve-pqc-implementation-maturity/https://twitter.com/purnaltoon/status/1797644696568959476