CVE-2010-5140 Denial of service in n/a
Remote attackers can cause denial of service in Bitcoin nodes by flooding them with low-value, zero-confirmation transactions without fees.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2010-5140?
CVE-2010-5140 is a medium-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 6 Aug 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
wxBitcoin and bitcoind before 0.3.13 do not properly handle bitcoins associated with Bitcoin transactions that have zero confirmations, which allows remote attackers to cause a denial of service (invalid-transaction flood) by sending low-valued transactions without transaction fees.
Weakness: CWE-119
Which versions are affected by CVE-2010-5140?
It affects 2 products.
Products include Bitcoin Bitcoin Core, Bitcoin Wxbitcoin.
How do I fix CVE-2010-5140?
No fix has been published for CVE-2010-5140 yet. Limit exposure of the affected software until one is available.
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-2010-5140 being exploited?
There is no known exploitation of CVE-2010-5140 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-chpj-6q2q-j7qg.