What is GHSA-g4vj-x7v9-h82m?

GHSA-g4vj-x7v9-h82m is a security advisory published by GitHub Security Advisories with Critical severity. Overflow in libsecp256k1

Which CVE IDs does GHSA-g4vj-x7v9-h82m cover?

GHSA-g4vj-x7v9-h82m covers the following CVE IDs: CVE-2021-38195. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g4vj-x7v9-h82m?

GHSA-g4vj-x7v9-h82m has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-g4vj-x7v9-h82m?

GHSA-g4vj-x7v9-h82m affects 1 product, including: rust/libsecp256k1:\u003c 0.5.0.

GHSA-g4vj-x7v9-h82mCriticalCVSS 9.8

Overflow in libsecp256k1

Vendor

GitHub Security Advisories

Published

August 25, 2021

Last Modified

February 3, 2023

🔗 CVE IDs covered (1)

CVE-2021-38195 →

📋 Description

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 products1

rust/libsecp256k1:< 0.5.0

🔗 References (4)

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