Discover the impact of CVE-2018-13502, a flaw in the HeliumNetwork Ethereum token smart contract allowing unauthorized balance manipulation. Learn mitigation steps and long-term security practices.
A vulnerability in the HeliumNetwork Ethereum token smart contract allows the contract owner to manipulate user balances through an integer overflow in the mintToken function.
Understanding CVE-2018-13502
This CVE involves a flaw in the implementation of the HeliumNetwork smart contract, enabling unauthorized manipulation of user balances.
What is CVE-2018-13502?
The mintToken function in the HeliumNetwork Ethereum token smart contract experiences an integer overflow, granting the contract owner the ability to alter any user's balance at will.
The Impact of CVE-2018-13502
The vulnerability allows malicious actors to exploit the contract, potentially leading to unauthorized balance modifications and financial losses for users.
Technical Details of CVE-2018-13502
This section delves into the specifics of the vulnerability.
Vulnerability Description
The mintToken function in the HeliumNetwork smart contract suffers from an integer overflow, permitting the contract owner to adjust user balances arbitrarily.
Affected Systems and Versions
Exploitation Mechanism
The flaw arises from improper input validation in the mintToken function, allowing the contract owner to manipulate user balances by exploiting the integer overflow.
Mitigation and Prevention
Protecting systems from CVE-2018-13502 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates