CVE-2018-14084 : Exploit Details and Defense Strategies

A vulnerability in the smart contract design of MKCB, an Ethereum token, can lead to an integer overflow under specific conditions.

Understanding CVE-2018-14084

This CVE identifies a flaw in the smart contract implementation of MKCB, potentially resulting in an integer overflow during a specific operation.

What is CVE-2018-14084?

The issue arises when the owner sets a high value for sellPrice in the setPrices() function, causing an integer overflow during the sell() operation.

The Impact of CVE-2018-14084

The vulnerability can be exploited to trigger an integer overflow, potentially leading to unexpected behavior or denial of service.

Technical Details of CVE-2018-14084

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw allows for an integer overflow when a large value is assigned to sellPrice in the setPrices() function, leading to unexpected results during the sell() operation.

Affected Systems and Versions

Product: MKCB Ethereum token
Vendor: N/A
Versions: N/A

Exploitation Mechanism

The vulnerability is triggered when the owner sets an excessively high value for sellPrice, causing an integer overflow during the sell() operation.

Mitigation and Prevention

Protecting systems from CVE-2018-14084 requires immediate actions and long-term security practices.

Immediate Steps to Take

Audit smart contracts for vulnerabilities regularly.
Implement input validation to prevent integer overflows.
Monitor and restrict the values that can be set for critical parameters.

Long-Term Security Practices

Follow secure coding practices for smart contracts.
Conduct thorough testing and code reviews to identify potential vulnerabilities.
Stay informed about security best practices in blockchain development.

Patching and Updates

Apply patches or updates provided by the smart contract developers to address the vulnerability.