CVE-2018-13197 — HIGH (7.5)

Vulnerability Description

The sell function of a smart contract implementation for Welfare Token Fund (WTF), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Welfare Token Fund Project	Welfare Token Fund	-

Related Weaknesses (CWE)

CWE-190

References

https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/selThird Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/WelfareTokenFundThird Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/selThird Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/WelfareTokenFundThird Party Advisory

FAQ

What is CVE-2018-13197?

CVE-2018-13197 is a vulnerability with a CVSS score of 7.5 (HIGH). The sell function of a smart contract implementation for Welfare Token Fund (WTF), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller'...

How severe is CVE-2018-13197?

CVE-2018-13197 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-2018-13197?

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