CVE-2018-17144 Denial of service in n/a

High 7.5 Published Updated

Remote attackers can crash Bitcoin Core or Bitcoin Knots applications by sending duplicate inputs, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2018-17144?

CVE-2018-17144 is a high-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 19 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Bitcoin Core 0.14.x before 0.14.3, 0.15.x before 0.15.2, and 0.16.x before 0.16.3 and Bitcoin Knots 0.14.x through 0.16.x before 0.16.3 allow a remote denial of service (application crash) exploitable by miners via duplicate input. An attacker can make bitcoind or Bitcoin-Qt crash.

Which versions are affected by CVE-2018-17144?

It affects 2 products.

Linux distribution packages (2)
bitcoin SUSE:Package Hub 15 SP5All versions26.0-bp155.2.3.1
bitcoin openSUSE:Leap 15.5All versions26.0-bp155.2.3.1

Products include Bitcoin Bitcoin Core, Bitcoinknots Bitcoin Knots.

How do I fix CVE-2018-17144?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-17144 being exploited?

There is no known exploitation of CVE-2018-17144 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

All Bitcoin Bitcoin Core vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-17144, GHSA-35hw-99vw-mgp5, MGASA-2018-0415, openSUSE-SU-2024:0052-1.

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