CVE-2018-13766 Explained : Impact and Mitigation
Learn about CVE-2018-13766, a critical flaw in the Easticoin Ethereum token smart contract allowing unauthorized balance manipulation through an integer overflow. Find mitigation steps and prevention measures.
In the Ethereum token, Easticoin, a smart contract implementation flaw in the mintToken function allows the contract owner to manipulate user balances through an integer overflow.
Understanding CVE-2018-13766
This CVE involves a vulnerability in the Easticoin Ethereum token smart contract that enables unauthorized balance manipulation.
What is CVE-2018-13766?
The mintToken function in the Easticoin smart contract has an integer overflow issue, granting the contract owner the ability to set any user's balance to a desired value.
The Impact of CVE-2018-13766
The vulnerability allows malicious actors to alter user balances, potentially leading to financial losses and undermining the integrity of the token system.
Technical Details of CVE-2018-13766
The technical aspects of the vulnerability are crucial for understanding its implications.
Vulnerability Description
The flaw in the mintToken function permits the contract owner to exploit an integer overflow, giving them unauthorized control over user balances.
Affected Systems and Versions
- Product: Easticoin
- Vendor: N/A
- Versions: All versions are affected
Exploitation Mechanism
The integer overflow vulnerability in the mintToken function allows the contract owner to manipulate user balances by setting them to arbitrary values.
Mitigation and Prevention
Addressing and preventing the exploitation of CVE-2018-13766 is essential for maintaining system security.
Immediate Steps to Take
- Contract owners should review and update the smart contract code to fix the integer overflow issue.
- Users should exercise caution when interacting with the Easticoin token until the vulnerability is patched.
Long-Term Security Practices
- Implement secure coding practices to prevent integer overflow vulnerabilities in smart contracts.
- Regularly audit and test smart contracts for potential security flaws.
Patching and Updates
- Developers should release a patched version of the Easticoin smart contract to address the integer overflow vulnerability.