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Code423n4
Code423n4
added 2022/03/03 12:00 a.m.7 views

[WP-H1] Transactions can be replayed when a connectedChain is removed and then reconnected

Lines of code Vulnerability details function removeConnectedChainstring memory schainName public virtual override onlyChainConnector bytes32 schainHash = keccak256abi.encodePackedschainName; requireconnectedChainsschainHash.inited, "Chain is not initialized"; delete connectedChainsschainHash;...

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Code423n4
Code423n4
added 2021/10/13 12:00 a.m.11 views

Miners Can Re-Roll the VRF Output to Game the Protocol

Handle leastwood Vulnerability details Impact Miners are able to rewrite a chain's history if they dislike the VRF output used by the protocol. Consider the following example: A miner or well-funded user is participating in the PoolTogether protocol. A VRF request is made and fulfilled in the sam...

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rdot
rdot
added 2011/08/13 12:00 a.m.42 views

Exploit writing tutorial part 3b - SEH Based Exploits - just another example

Автор: Peter Van Eeckhoutte corelanc0d3r Перевод: peaZ 8/2011 В предыдущей части руководства я объяснил основы создания SEH-эксплойтов. Я упомянул, что в самом простом случае полезная нагрузка SEH-эксплойта имеет такую структуру: junknextSEHSEHShellcode Я указал, что SEH должен быть перезаписан...

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