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vang1ong7ang avatar vang1ong7ang commented on July 19, 2024 2

it breaks a fundamental assumption of neovm and it should be fixed soon and published

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dusmart avatar dusmart commented on July 19, 2024 1

With careful construction, it can theoretically generate an array containing at least 10 million data which may cost ~10 hours. Within 20 GAS.

invoke 0x179ab5d297fd34ecd48643894242fc3527f42853 maxSize  [{"type":"Integer","value":100000}]

// notice that each iteration will generate 100 new items to the result array

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dusmart avatar dusmart commented on July 19, 2024

It's very dangerous if someone can combine this with some O(n2) DoS attacks like what have been shown by @vang1ong7ang in the past.

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