Greedy 599 Logic Flaw Vulnerability

Greedy 599 is an ethereum-based betting game.A security vulnerability exists in the lotto smart contract implementation in Greedy 599. An attacker could exploit the vulnerability to win the game and obtain a bounty...

CVE-2018-17877

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 t...

CVE-2018-17877

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 t...

CVE-2018-17877: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

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 t...