CVE-2018-14086 Explained : Impact and Mitigation

SingaporeCoinOrigin (SCO) smart contract implementation vulnerability due to integer overflow.

Understanding CVE-2018-14086

A vulnerability in the SCO smart contract can lead to an integer overflow, impacting Ethereum token transactions.

What is CVE-2018-14086?

The smart contract for SingaporeCoinOrigin (SCO) contains a flaw that can trigger an integer overflow when a large value is assigned to sellPrice.

The Impact of CVE-2018-14086

The integer overflow issue can result in incorrect calculations during token transactions, potentially leading to financial losses or unexpected behavior.

Technical Details of CVE-2018-14086

The vulnerability in the SCO smart contract implementation is detailed below:

Vulnerability Description

An integer overflow occurs in the sell() function when the owner sets a high value for sellPrice in setPrices().

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

The vulnerability is exploited by manipulating the sellPrice value to trigger an integer overflow during token transactions.

Mitigation and Prevention

Protecting systems from CVE-2018-14086 requires immediate actions and long-term security practices:

Immediate Steps to Take

Audit smart contracts for integer overflow vulnerabilities.
Implement input validation to prevent assigning excessively large values.
Monitor token transactions for unusual behavior.

Long-Term Security Practices

Regularly update smart contracts to address known vulnerabilities.
Conduct security audits by professionals to identify and mitigate risks.

Patching and Updates

Apply patches or updates provided by SCO to fix the integer overflow vulnerability.