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Improper Input Validation Affecting github.com/filecoin-project/lotus/chain/gen package, versions <1.5.0

0.0
medium

  • Exploit Maturity

    Proof of concept

  • Attack Complexity

    High

  • Integrity

    High

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  • snyk-id

    SNYK-GOLANG-GITHUBCOMFILECOINPROJECTLOTUSCHAINGEN-1296314

  • published

    23 May 2021

  • disclosed

    21 May 2021

  • credit

    Unknown

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Introduced: 21 May 2021

CVE-2021-21405 Open this link in a new tab
CWE-347 Open this link in a new tab

How to fix?

Upgrade github.com/filecoin-project/lotus/chain/gen to version 1.5.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. The ffi uses blst as the signature backend, matching the existing functionality. This allows to simplify the ffi contexts, and remove the git submodule for blst.

References