CVE-2018-19833 : Security Advisory and Response

This CVE article discusses a vulnerability in the smart contract implementation for DDQ, an Ethereum ERC20 token, allowing attackers to modify the contract owner without caller identity verification.

Understanding CVE-2018-19833

This section provides insights into the nature and impact of the CVE-2018-19833 vulnerability.

What is CVE-2018-19833?

The smart contract implementation for DDQ, an Ethereum ERC20 token, has a vulnerability in its owned function. This flaw enables attackers to change the contract owner without verifying the caller's identity.

The Impact of CVE-2018-19833

The vulnerability in the owned function of the smart contract allows unauthorized individuals to take over ownership of the contract, potentially leading to misuse or loss of control over the token.

Technical Details of CVE-2018-19833

This section delves into the technical aspects of the CVE-2018-19833 vulnerability.

Vulnerability Description

The owned function of the DDQ smart contract implementation lacks proper verification of the caller's identity, enabling malicious actors to alter the contract owner.

Affected Systems and Versions

Affected Systems: Not applicable
Affected Versions: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by attackers to change the owner of the smart contract without the required caller identity verification.

Mitigation and Prevention

Learn about the steps to mitigate and prevent the CVE-2018-19833 vulnerability.

Immediate Steps to Take

Conduct a thorough security audit of the smart contract code to identify and rectify vulnerabilities.
Implement proper authentication and authorization mechanisms to validate callers' identities.
Monitor contract ownership changes and set up alerts for unauthorized modifications.

Long-Term Security Practices

Regularly update and review smart contract code to address emerging security threats.
Educate developers on secure coding practices and the importance of verifying caller identities.
Engage in security testing and code reviews to maintain the integrity of the smart contract.

Patching and Updates

Stay informed about security patches and updates related to the smart contract platform to address known vulnerabilities and enhance overall security.