CVE-2019-25003: RUSTSEC-2019-0027 - Flaw in Scalar::check_overflow allows side-channel timing attack

CVE-2019-25003 · Severity: low · CVSS 3.1 · Published 2019-10-14

Flaw in Scalar::check_overflow allows side-channel timing attack

Technologies: libsecp256k1 (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2019-25003 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-25003 being exploited in the wild.
How severe is CVE-2019-25003?
Low severity, with a CVSS score of 3.1, published 14 October 2019.
Which products and versions are affected?
libsecp256k1 (crates.io) SEMVER:introduced=0,fixed=0.3.1, SEMVER:introduced=0.0.0-0,fixed=0.3.1.
Is there a fix for CVE-2019-25003?
Yes. libsecp256k1 (crates.io): upgrade to 0.3.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-25003?
Check whether you run libsecp256k1 (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • libsecp256k1 (crates.io): upgrade to 0.3.1 or later
    cargo update -p libsecp256k1

Affected products

  • libsecp256k1 (crates.io) SEMVER:introduced=0,fixed=0.3.1, SEMVER:introduced=0.0.0-0,fixed=0.3.1

Identifiers

  • CVE-2019-25003
  • GHSA-hrjm-c879-pp86
  • RUSTSEC-2019-0027

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