CVE-2023-34458: Uncontrolled Resource Consumption
(updated )
mx-chain-go is the official implementation of the MultiversX blockchain protocol, written in golang. When executing a relayed transaction, if the inner transaction failed, it would have increased the inner transaction’s sender account nonce. This could have contributed to a limited DoS attack on a targeted account. The fix is a breaking change so a new flag RelayedNonceFixEnableEpoch was needed. This was a strict processing issue while validating blocks on a chain. This vulnerability has been patched in version 1.4.17.
References
- github.com/multiversx/mx-chain-go/blob/babdb144f1316ab6176bf3dbd7d4621120414d43/integrationTests/vm/txsFee/relayedMoveBalance_test.go
- github.com/multiversx/mx-chain-go/commit/babdb144f1316ab6176bf3dbd7d4621120414d43
- github.com/multiversx/mx-chain-go/releases/tag/v1.4.17
- github.com/multiversx/mx-chain-go/security/advisories/GHSA-j494-7x2v-vvvp
- nvd.nist.gov/vuln/detail/CVE-2023-34458
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