CVE-2018-17968

A gambling smart contract implementation for RuletkaIo, an Ethereum gambling game, generates a random value that is predictable by an external contract call. The developer wrote a random() function that uses a block timestamp and block hash from the Ethereum blockchain. This can be predicted by writing the same random function code in an exploit contract to determine the deadSeat value.

• CWE-338

• https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17968Exploit, Third Party Advisory
• https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17968Exploit, Third Party Advisory

Published

Oct 23, 2018

Last Modified

Jun 17, 2026

Status

Modified

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