CVE-2018-12975 : What You Need to Know
Learn about CVE-2018-12975, a vulnerability in CryptoSaga game allowing attackers to manipulate the random number generation for unfair advantages. Find mitigation steps and prevention measures.
In the Ethereum game CryptoSaga, attackers can manipulate the game by precomputing the random number generated by the smart contract's random() function.
Understanding CVE-2018-12975
What is CVE-2018-12975?
The smart contract implementation for CryptoSaga uses the random() function to generate a random value based on publicly readable variables, allowing attackers to exploit the randomness and gain advantages in the game.
The Impact of CVE-2018-12975
Attackers can manipulate the game to acquire powerful characters or inflict critical damages by precomputing the random number.
Technical Details of CVE-2018-12975
Vulnerability Description
The vulnerability lies in the predictable nature of the random number generation process in the smart contract, enabling attackers to exploit the game's mechanics.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: Not applicable
Exploitation Mechanism
- Attackers leverage the predictability of the random number generation process to gain unfair advantages in the game.
Mitigation and Prevention
Immediate Steps to Take
- Game developers should implement a more secure random number generation mechanism that cannot be easily manipulated.
- Players should be cautious of in-game activities that seem unusually advantageous.
Long-Term Security Practices
- Regularly audit and update the game's smart contract code to address potential vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
- Developers should release patches that address the vulnerability and enhance the randomness of the game's mechanics.