CVE-2018-14088 : Security Advisory and Response
Discover the impact of CVE-2018-14088, an integer overflow vulnerability in the STeX White List (STE(WL)) Ethereum token smart contract. Learn about the exploitation mechanism and mitigation steps.
A problem was identified in the smart contract implementation of STeX White List (STE(WL)), an Ethereum token, leading to an integer overflow vulnerability.
Understanding CVE-2018-14088
An issue was discovered in the smart contract implementation of STeX White List (STE(WL)), an Ethereum token, where an integer overflow vulnerability exists.
What is CVE-2018-14088?
The contract is affected by an integer overflow vulnerability, triggered when the owner assigns a high value to the amount variable, causing an overflow during a specific calculation within the withdrawToFounders() function.
The Impact of CVE-2018-14088
The integer overflow vulnerability can potentially lead to unexpected behavior, manipulation of funds, or denial of service attacks within the affected smart contract.
Technical Details of CVE-2018-14088
The technical aspects of the vulnerability are as follows:
Vulnerability Description
The smart contract implementation of STeX White List (STE(WL)) suffers from an integer overflow vulnerability due to a miscalculation in the withdrawToFounders() function.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability arises when the owner sets a high value for the amount variable, triggering an integer overflow during the calculation "amount * 1000000000000000" in the withdrawToFounders() function.
Mitigation and Prevention
To address CVE-2018-14088, the following steps can be taken:
Immediate Steps to Take
- Audit and review the smart contract code for integer overflow vulnerabilities.
- Implement input validation to prevent the assignment of excessively high values.
Long-Term Security Practices
- Follow secure coding practices to avoid integer overflow vulnerabilities.
- Regularly update and patch the smart contract code to address any identified vulnerabilities.
- Conduct security audits periodically to ensure the integrity of the smart contract.
- Educate developers on secure coding practices and potential vulnerabilities.
Patching and Updates
Ensure that the smart contract code is updated with appropriate fixes to mitigate the integer overflow vulnerability.