CVE-2018-17145 : What You Need to Know
Learn about CVE-2018-17145, a vulnerability in Bitcoin Core and Bitcoin Knots versions prior to 0.16.2 allowing remote denial of service attacks. Find out how to mitigate and prevent this vulnerability.
Bitcoin Core and Bitcoin Knots versions prior to 0.16.2 are vulnerable to remote denial of service attacks due to INVDoS. This vulnerability can impact other cryptocurrencies derived from Bitcoin Core post-November 15, 2017.
Understanding CVE-2018-17145
Bitcoin Core and Bitcoin Knots versions prior to 0.16.2 are susceptible to a remote denial of service vulnerability known as INVDoS.
What is CVE-2018-17145?
CVE-2018-17145 is a vulnerability in Bitcoin Core and Bitcoin Knots versions before 0.16.2 that allows for remote denial of service attacks through flooding multiple transaction inv messages with random hashes.
The Impact of CVE-2018-17145
- Remote denial of service attacks can be executed on systems running affected versions of Bitcoin Core and Bitcoin Knots.
- Other cryptocurrencies derived from Bitcoin Core after November 15, 2017, may also be vulnerable to this exploit.
Technical Details of CVE-2018-17145
Bitcoin Core and Bitcoin Knots versions prior to 0.16.2 are affected by this vulnerability.
Vulnerability Description
- Vulnerability Type: Remote Denial of Service (DoS)
- Attack Vector: Flood of multiple transaction inv messages with random hashes
- Commonly Known As: INVDoS
Affected Systems and Versions
- Bitcoin Core versions before 0.16.2
- Bitcoin Knots versions before 0.16.2
Exploitation Mechanism
- Attackers flood the system with multiple transaction inv messages containing random hashes, leading to a denial of service condition.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the impact of CVE-2018-17145.
Immediate Steps to Take
- Update Bitcoin Core and Bitcoin Knots to versions 0.16.2 or newer.
- Monitor network traffic for unusual patterns that may indicate a potential denial of service attack.
Long-Term Security Practices
- Regularly update software and apply security patches to prevent known vulnerabilities.
- Implement network monitoring and intrusion detection systems to detect and respond to suspicious activities.
Patching and Updates
- Stay informed about security advisories and updates from Bitcoin Core and Bitcoin Knots developers.
- Apply patches promptly to ensure systems are protected against known vulnerabilities.