CVE-2021-25834: Authentication Bypass by Capture-replay

February 15, 2022 (updated April 12, 2022)

Cosmos Network Ethermint <= v0.4.0 is affected by a transaction replay vulnerability in the EVM module. If the victim sends a very large nonce transaction, the attacker can replay the transaction through the application.

References

github.com/advisories/GHSA-93p5-8fqw-wjx3
github.com/cosmos/ethermint/commit/d7bdbd7488644f0aaeee5cdcdc119c863f199f72
github.com/cosmos/ethermint/issues/686
github.com/cosmos/ethermint/releases/tag/v0.4.1
nvd.nist.gov/vuln/detail/CVE-2021-25834

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