CVE-2020-12439: Grin allows attackers to adversely affect availability of data on a Mimblewimble blockchain

CVE-2020-12439 · Severity: low · CVSS 3.1 · Published 2022-05-24

Grin allows attackers to adversely affect availability of data on a Mimblewimble blockchain

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

Quick answers

Is CVE-2020-12439 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-12439 being exploited in the wild.
How severe is CVE-2020-12439?
Low severity, with a CVSS score of 3.1, published 24 May 2022.
Which products and versions are affected?
grin (crates.io) SEMVER:introduced=0,fixed=3.1.0.
Is there a fix for CVE-2020-12439?
Yes. grin (crates.io): upgrade to 3.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-12439?
Check whether you run grin (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

  • grin (crates.io): upgrade to 3.1.0 or later
    cargo update -p grin

Affected products

  • grin (crates.io) SEMVER:introduced=0,fixed=3.1.0

Identifiers

  • CVE-2020-12439
  • GHSA-6x52-88cq-55q5

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