Timing Side-Channel Vulnerability in libsecp256k1 Crate

Timing Side-Channel Vulnerability in libsecp256k1 Crate

CVE-2019-25003 · HIGH Severity

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

An issue was discovered in the libsecp256k1 crate before 0.3.1 for Rust. Scalar::check_overflow allows a timing side-channel attack; consequently, attackers can obtain sensitive information.

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