CVE Vulnerability

CVE-2018-13197

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/BlockChainsSecurity/EtherTokens/tree/master/WelfareTokenFund Third Party Advisory
https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:welfare_token_fund_project:welfare_token_fund:-:*:*:*:*:*:*:*
Information

Published : 2018-07-05 02:29

Updated : 2018-08-24 01:35

NVD link : CVE-2018-13197

Mitre link : CVE-2018-13197

Products Affected
No products.
CWE
CWE-190