by Kastro
Paper/Archive/CVE-2021-38195

CVE-2021-38195

mitre — An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust.

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 60.0.600 × 2012.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refrustsec.org/advisories/RUSTSEC-2021-0076.htmlrefraw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md