CVE-2018-14086 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered in a smart contract implementation for SingaporeCoinOrigin (SCO), an Ethereum token. The contract has an integer overflow. If the owner sets the value of sellPrice to a large number in setPrices() then the "amount * sellPrice" will cause an integer overflow in sell().

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mytoken Project	Mytoken	-

Related Weaknesses (CWE)

CWE-190

References

https://github.com/hellowuzekai/blockchains/blob/master/overflow1.mdExploitThird Party Advisory
https://github.com/hellowuzekai/blockchains/blob/master/overflow1.mdExploitThird Party Advisory

FAQ

What is CVE-2018-14086?

CVE-2018-14086 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in a smart contract implementation for SingaporeCoinOrigin (SCO), an Ethereum token. The contract has an integer overflow. If the owner sets the value of sellPrice to a large n...

How severe is CVE-2018-14086?

CVE-2018-14086 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-14086?

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