CVE-2018-17968 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Ruletkaio	Ruletkaio	-

Related Weaknesses (CWE)

CWE-338

References

https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17968ExploitThird Party Advisory
https://github.com/TEAM-C4B/CVE-LIST/tree/master/CVE-2018-17968ExploitThird Party Advisory

FAQ

What is CVE-2018-17968?

CVE-2018-17968 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 th...

How severe is CVE-2018-17968?

CVE-2018-17968 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-17968?

Check the references section above for vendor advisories and patch information. Affected products include: Ruletkaio Ruletkaio.