CVE-2018-19830 : What You Need to Know
Learn about CVE-2018-19830 affecting Business Alliance Financial Circle smart contract. Discover the impact, technical details, and mitigation steps for this vulnerability.
Business Alliance Financial Circle (BAFC) smart contract vulnerability allows unauthorized modification of the contract's owner.
Understanding CVE-2018-19830
The UBSexToken() function in the BAFC smart contract is susceptible to attacks enabling unauthorized changes to the contract owner.
What is CVE-2018-19830?
The vulnerability stems from the function being public by default, lacking a caller identity verification mechanism.
The Impact of CVE-2018-19830
Attackers can exploit this flaw to alter the contract's owner, potentially leading to unauthorized control and misuse of the smart contract.
Technical Details of CVE-2018-19830
Vulnerability Description
The UBSexToken() function in the BAFC smart contract allows attackers to change the contract owner due to its public nature and absence of caller identity verification.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
The vulnerability arises from the function's default public accessibility and the lack of a mechanism to verify the caller's identity.
Mitigation and Prevention
Immediate Steps to Take
- Implement access controls and authentication mechanisms in smart contracts.
- Regularly audit and review smart contract code for security vulnerabilities.
Long-Term Security Practices
- Follow secure coding practices for smart contracts.
- Stay informed about the latest smart contract security best practices.
Patching and Updates
Apply patches and updates provided by the smart contract developers to address known vulnerabilities.