Main Vulnerability Database Vulnerabilities #VU46673

Resource management error in Bitcoin Core and Bitcoin Knots - CVE-2018-17145

Published: September 14, 2020 / Updated: September 23, 2020

Vulnerability identifier: #VU46673

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-17145

CWE-ID: CWE-399

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources with the applicatoin. A remote attacker can flood the application with multiple transaction inv messages with random hashes and perform a denial of service (DoS) attack, aka INVDoS.

Affected software

Bitcoin Core
Bitcoin Knots

How to mitigate CVE-2018-17145

Install updates from vendor's website.

Bitcoin Core - update to 0.16.2
Bitcoin Knots - update to 0.16.2

Links to Public Exploits and PoC-codes

Exploit #4649 - invdos (A script to exploit invdos CVE-2018-17145 on any bitcoin based network) (September 23, 2020)

External References

Related Security Bulletins

Denial of service in Bitcoin core