CVE-2018-17145 Bitcoin Inventory Out-of-Memory Denial-of-Service Attack (CVE-2018-17145)
Remote attackers can cause denial of service in Bitcoin Core by flooding the network with transaction inv messages containing random hashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-17145?
CVE-2018-17145 is a high-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 10 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Bitcoin Core 0.16.x before 0.16.2 and Bitcoin Knots 0.16.x before 0.16.2 allow remote denial of service via a flood of multiple transaction inv messages with random hashes, aka INVDoS. NOTE: this can also affect other cryptocurrencies, e.g., if they were forked from Bitcoin Core after 2017-11-15.
Weakness: CWE-400
Which versions are affected by CVE-2018-17145?
2 open source packages ship an affected version, including bcoin. It affects 7 products.
| Package | Affected | Fixed in |
|---|---|---|
bcoin npm | All versions | 1.0.2 |
bcoin npm | All versions | 1.0.2 |
Products include Bcoin Bcoin, Bitcoin Bitcoin Core, Bitcoinknots Bitcoin Knots, Btcd Project Btcd, Decred Dcrd, Litecoin Litecoin and 1 more.
How do I fix CVE-2018-17145?
Upgrade bcoin to 1.0.2 or later.
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-2018-17145 being exploited?
There is no known exploitation of CVE-2018-17145 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-hx3r-jv9q-85jw.