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CVE-2024-37880

PoC ×3—
CVSS 3.1
7.5 high
EPSS
<1%p51
Published
()
Modified
Description

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.

Vendors
pq-crystals
Products
kyber
Weakness
CWE-203
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD CVE.org GitHub PoCs EPSS (0.7%)

In the news

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