CVE-2018-13195 : What You Need to Know
Discover the CVE-2018-13195 vulnerability in the Cranoo Ethereum token smart contract, allowing unauthorized balance manipulation. Learn about impacts and mitigation.
This CVE-2018-13195 article provides insights into a vulnerability found in the smart contract implementation for Cranoo (CRN), an Ethereum token, affecting the mintToken function.
Understanding CVE-2018-13195
What is CVE-2018-13195?
The flaw in the Cranoo smart contract involves an integer overflow in the mintToken function, allowing the contract owner to manipulate any user's balance.
The Impact of CVE-2018-13195
The vulnerability enables unauthorized balance manipulation, posing a significant risk to the integrity and security of the affected Ethereum token.
Technical Details of CVE-2018-13195
Vulnerability Description
- The mintToken function in the Cranoo smart contract suffers from an integer overflow issue.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
- The flaw allows the contract owner to set any user's balance to a desired value through an integer overflow manipulation.
Mitigation and Prevention
Immediate Steps to Take
- Audit smart contracts for integer overflow vulnerabilities.
- Implement input validation to prevent unauthorized balance modifications.
Long-Term Security Practices
- Regularly update and review smart contract code for vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues.
Patching and Updates
- Apply patches or updates provided by the smart contract developers to address the integer overflow vulnerability.