CVE-2021-43839

Always-Incorrect Control Flow Implementation in go/github.com/tharsis/ethermint

Identifiers

CVE-2021-43839, GHSA-f854-hpxv-cw9r

Package Slug

go/github.com/tharsis/ethermint

Vulnerability

Always-Incorrect Control Flow Implementation

Description

Cronos is a commercial implementation of a blockchain. In Cronos nodes running versions before v0.6.5, it is possible to take transaction fees from Cosmos SDK's FeeCollector for the current block by sending a custom crafted MsgEthereumTx. This problem has been patched in Cronos v0.6.5. There are no tested workarounds. All validator node operators are recommended to upgrade to Cronos v0.6.5 at their earliest possible convenience.

Affected Versions

All versions before 0.7.3, all versions starting from 0.8.0 up to 0.9.0

Solution

Upgrade to version 0.7.3, 0.9.1 or above.

Last Modified

2022-01-07

source