CVE-2018-14087 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered in a smart contract implementation for EUC (EUC), an Ethereum token. The contract has an integer overflow. If the owner sets the value of buyPrice to a large number in setPrices() then the "msg.value * buyPrice" will cause an integer overflow in the fallback function.

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
Encryptedtoken Project	Encryptedtoken	-

Related Weaknesses (CWE)

CWE-190

References

https://github.com/hellowuzekai/blockchains/blob/master/overflow2.mdExploitThird Party Advisory
https://github.com/hellowuzekai/blockchains/blob/master/overflow2.mdExploitThird Party Advisory

FAQ

What is CVE-2018-14087?

CVE-2018-14087 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in a smart contract implementation for EUC (EUC), an Ethereum token. The contract has an integer overflow. If the owner sets the value of buyPrice to a large number in setPrice...

How severe is CVE-2018-14087?

CVE-2018-14087 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-2018-14087?

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