CVE-2021-38195 – libsecp256k1

Package

Manager: cargo
Name: libsecp256k1
Vulnerable Version: >=0 <0.5.0

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.0017 pctl0.38638

Details

Overflow in libsecp256k1 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.

Metadata

Created: 2021-08-25T20:56:03Z
Modified: 2021-08-18T21:20:32Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-g4vj-x7v9-h82m/GHSA-g4vj-x7v9-h82m.json
CWE IDs: ["CWE-190", "CWE-347"]
Alternative ID: GHSA-g4vj-x7v9-h82m
Finding: F111
Auto approve: 1