Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
A lottery smart contract implementation for Greedy 599, an Ethereum gambling game, generates a random value that is predictable via an external contract call. The developer used the extcodesize() function to prevent a malicious contract from being called, but the attacker can bypass it by writing the core code in the constructor of their exploit code. Therefore, it allows attackers to always win and get rewards.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Greedy 599 安全漏洞
Vulnerability Description
Greedy 599是一款基于以太坊的博彩类游戏。 Greedy 599中的乐透智能合约实现中存在安全漏洞。攻击者可利用该漏洞赢得游戏，获取赏金。
CVSS Information
N/A
Vulnerability Type
N/A