Soar Crypto finds double-voting vulnerability in Celer’s SGN

Web3 investor and developer Soar Crypto has recognized a vulnerability in Celer’s State Guardian Community (SGN) that might permit malicious validators to compromise the community and functions depending on it, together with Celer’s cBridge.

In accordance to Soar Crypto’s postmortem report, validators had been allowed to vote greater than as soon as on the identical replace because of a bug within the SGN EndBlocker code. By permitting validators to vote a number of occasions, malicious actors may multiply their voting energy to approve dangerous updates. The report defined:

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