CVE-2020-15091 Explained : Impact and Mitigation
Learn about CVE-2020-15091 affecting TenderMint versions 0.33.0 to 0.33.6, allowing block proposers to disrupt the network. Find mitigation steps and long-term security practices here.
TenderMint from version 0.33.0 to 0.33.6 allows block proposers to include signatures for the wrong block, potentially halting the network. This vulnerability is fixed in version 0.33.6.
Understanding CVE-2020-15091
TenderMint vulnerability allowing block proposers to halt the network.
What is CVE-2020-15091?
TenderMint versions 0.33.0 to 0.33.6 enable malicious block proposers to include incorrect signatures, leading to network disruption.
The Impact of CVE-2020-15091
- CVSS Score: 6.5 (Medium Severity)
- Attack Vector: Network
- Availability Impact: High
- Affects the integrity and availability of the network.
Technical Details of CVE-2020-15091
Vulnerability details and affected systems.
Vulnerability Description
- TenderMint versions 0.33.0 to 0.33.6 allow inclusion of wrong block signatures.
Affected Systems and Versions
- Affected Product: TenderMint
- Vendor: TenderMint
- Vulnerable Versions: >= 0.33.0, < 0.33.6
Exploitation Mechanism
- Malicious block proposers with minimal stake can exploit the vulnerability to halt the network.
Mitigation and Prevention
Protective measures and steps to address the vulnerability.
Immediate Steps to Take
- Upgrade to TenderMint version 0.33.6 to mitigate the issue.
- Monitor network for any suspicious activities.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement network monitoring tools for anomaly detection.
Patching and Updates
- Apply patches and updates provided by TenderMint promptly.