Timing Attack Affecting libsecp256k1 package, versions <0.3.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (56th percentile)

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  • Snyk IDSNYK-RUST-LIBSECP256K1-473091
  • published15 Oct 2019
  • disclosed14 Oct 2019
  • creditUnknown

Introduced: 14 Oct 2019

CVE-2019-20399  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade libsecp256k1 to version 0.3.1 or higher.

Overview

libsecp256k1 is a Rust Implementation of secp256k1.

Affected versions of this package are vulnerable to Timing Attack. , as they do not execute Scalar::check_overflow in a constant time.

CVSS Scores

version 3.1