CVE-2018-14089 Information

Description

An issue was discovered in a smart contract implementation for Virgo_ZodiacToken an Ethereum token. In this contract ‘bool sufficientAllowance = allowance = _value’ will cause an arbitrary transfer in the function transferFrom because ‘=’ is used instead of ‘=’ (which was intended). An attacker can transfer from any address to his address and does not need to meet the ‘allowance value’ condition.

CVSS Vector

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

Reference

https://github.com/hellowuzekai/blockchains/blob/master/transferFrom.md

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