CVE-2019-15080 : What You Need to Know

A flaw in the MORPH Token smart contract implementation allowed attackers to gain ownership and potentially carry out a Denial of Service attack.

Understanding CVE-2019-15080

A vulnerability in the MORPH Token smart contract allowed malicious actors to exploit a typo in the constructor of the Owned contract, leading to unauthorized ownership and potential DoS attacks.

What is CVE-2019-15080?

This CVE identifies a security flaw in the MORPH Token smart contract that enabled attackers to take over the contract's ownership and potentially execute a Denial of Service attack.

The Impact of CVE-2019-15080

The vulnerability allowed malicious individuals to acquire MORPH Tokens without cost and potentially disrupt the token's functionality through a DoS attack.

Technical Details of CVE-2019-15080

The technical aspects of the vulnerability in the MORPH Token smart contract.

Vulnerability Description

The flaw stemmed from a typo in the constructor of the Owned contract, inherited by MORPH Token, enabling unauthorized ownership transfer.

Affected Systems and Versions

Ethereum smart contract implementing MORPH Token until 2019-06-05

Exploitation Mechanism

Attackers exploited the typo in the Owned contract constructor to gain ownership and potentially disrupt token functionality.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of the CVE-2019-15080 vulnerability.

Immediate Steps to Take

Audit smart contracts for typos and vulnerabilities
Implement multi-signature authorization for critical contract functions
Monitor contract ownership changes regularly

Long-Term Security Practices

Regular security audits and code reviews of smart contracts
Stay informed about Ethereum security best practices
Engage with the Ethereum community for security recommendations

Patching and Updates

Deploy patched versions of smart contracts with corrected constructors
Update contract ownership mechanisms to prevent unauthorized transfers