SB2018042524 - Integer overflow in SmartMesh ERC20 token



SB2018042524 - Integer overflow in SmartMesh ERC20 token

Published: April 25, 2018

Security Bulletin ID SB2018042524
CSH Severity
High
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Integer overflow (CVE-ID: CVE-2018-10376)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber


The vulnerability allows a remote attacker to manipulate digital assets.

The vulnerability exists due to integer overflow in a smart contract implementation for SmartMesh (aka SMT) within Ethereum ERC20 token. A remote unauthenticated attacker can increase digital assets via crafted _fee and _value parameter.

Note: the vulnerability was actively exploited in April 2018 and was dubbed "proxyOverflow".


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.