Catégories
CVE-2024-32644

Evmos' transaction execution not accounting for all state transition after interaction with precompiles

Résumé

Evmos' transaction execution not accounting for all state transition after interaction with precompiles

Description d'origine

La description telle que publiée par la source (souvent en anglais).

Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Prior to 17.0.0, there is a way to mint arbitrary tokens due to the possibility to have two different states not in sync during the execution of a transaction. The exploit is based on the fact that to sync the Cosmos SDK state and the EVM one, we rely on the stateDB.Commit() method. When we call this method, we iterate though all the dirtyStorage and, if and only if it is different than the originStorage, we set the new state. Setting the new state means we update the Cosmos SDK KVStore. If a contract storage state that is the same before and after a transaction, but is changed during the transaction and can call an external contract after the change, it can be exploited to make the transaction similar to non-atomic. The vulnerability is critical since this could lead to drain of funds through creative SC interactions. The issue has been patched in versions >=V17.0.0.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Références

Nous utilisons des cookies pour l'analyse d'audience et la mesure publicitaire. Ce réglage s'applique à tous les sites de Game co., Ltd. En savoir plus