CVE-2020-35962 : Vulnerability Insights and Analysis
Discover how the CVE-2020-35962 vulnerability in Loopring (LRC) smart contract allows price manipulation due to lack of access control. Learn about impacts, technical details, and mitigation steps.
Loopring (LRC) smart contract implementation vulnerability allows price manipulation due to lack of access control in the sellTokenForLRC function.
Understanding CVE-2020-35962
The vulnerability in the vault protocol of Loopring (LRC) smart contract allows unauthorized fee swapping, leading to potential price manipulation.
What is CVE-2020-35962?
The sellTokenForLRC function in Loopring (LRC) smart contract lacks proper access control for fee swapping, enabling malicious actors to manipulate prices.
The Impact of CVE-2020-35962
This vulnerability could result in price manipulation within the Loopring (LRC) ecosystem, potentially causing financial losses for users and affecting market stability.
Technical Details of CVE-2020-35962
The technical aspects of the vulnerability in Loopring (LRC) smart contract implementation.
Vulnerability Description
The sellTokenForLRC function in the vault protocol of Loopring (LRC) smart contract lacks access control for fee swapping, allowing unauthorized price manipulation.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The lack of access control in the sellTokenForLRC function enables attackers to swap fees and manipulate prices within the Loopring (LRC) ecosystem.
Mitigation and Prevention
Steps to mitigate and prevent the exploitation of CVE-2020-35962.
Immediate Steps to Take
- Monitor transactions for any suspicious activity related to fee swapping or price manipulation.
- Implement additional access controls and auditing mechanisms within the smart contract to prevent unauthorized operations.
Long-Term Security Practices
- Conduct regular security audits and code reviews to identify and address vulnerabilities promptly.
- Educate developers on secure coding practices and the importance of access control in smart contract development.
Patching and Updates
- Work with the Loopring (LRC) development team to deploy a patched version of the smart contract that includes proper access controls for fee swapping.