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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWc0dmoteDd2OS1oODJt
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.
Permalink: https://github.com/advisories/GHSA-g4vj-x7v9-h82mJSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWc0dmoteDd2OS1oODJt
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 2 years ago
Updated: about 1 year ago
CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Identifiers: GHSA-g4vj-x7v9-h82m, CVE-2021-38195
References:
- https://nvd.nist.gov/vuln/detail/CVE-2021-38195
- https://github.com/paritytech/libsecp256k1/pull/67
- https://rustsec.org/advisories/RUSTSEC-2021-0076.html
- https://github.com/advisories/GHSA-g4vj-x7v9-h82m
Blast Radius: 36.8
Affected Packages
cargo:libsecp256k1
Dependent packages: 156Dependent repositories: 5,709
Downloads: 9,908,446 total
Affected Version Ranges: < 0.5.0
Fixed in: 0.5.0
All affected versions: 0.1.0, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.1.10, 0.1.11, 0.1.12, 0.1.13, 0.1.14, 0.1.15, 0.2.0, 0.2.1, 0.2.2, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5
All unaffected versions: 0.5.0, 0.6.0, 0.7.0, 0.7.1