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Always-Incorrect Control Flow Implementation Affecting github.com/tharsis/ethermint package, versions <0.7.3 >=0.8.0 <0.10.0

0.0
high

Snyk CVSS

    Attack Complexity Low
    Integrity High
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NVD
7.5 high

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  • Snyk ID SNYK-GOLANG-GITHUBCOMTHARSISETHERMINT-2331756
  • published 7 Jan 2022
  • disclosed 6 Jan 2022
  • credit @zb3
Report a new vulnerability Found a mistake?

Introduced: 6 Jan 2022

CVE-2021-43839 Open this link in a new tab
CWE-670 Open this link in a new tab

How to fix?

Upgrade github.com/tharsis/ethermint to version 0.7.3, 0.10.0 or higher.

Overview

github.com/tharsis/ethermint is a scalable and interoperable Ethereum library, built on Proof-of-Stake with fast-finality using the Cosmos SDK.

Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation as it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx.

User funds and balances are safe.