CVE-2018-10376 Information

Description

An integer overflow in the transferProxy function of a smart contract implementation for SmartMesh (aka SMT) an Ethereum ERC20 token allows attackers to accomplish an unauthorized increase of digital assets via crafted _fee and _value parameters as exploited in the wild in April 2018 aka the \proxyOverflow\ issue.

CVSS Vector

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

Reference

https://dasp.co/item-3 https://peckshield.com/2018/04/25/proxyOverflow/ https://www.reddit.com/r/ethereum/comments/8esyg9/okex_erc20_bug/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5