CVE-2013-2293 Denial of service in n/a
Remote attackers can cause denial of service in Bitcoin clients by submitting transactions with many inputs, consuming disk I/O resources.
- 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-2013-2293?
CVE-2013-2293 is a medium-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 12 Mar 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The CTransaction::FetchInputs method in bitcoind and Bitcoin-Qt before 0.8.0rc1 copies transactions from disk to memory without incrementally checking for spent prevouts, which allows remote attackers to cause a denial of service (disk I/O consumption) via a Bitcoin transaction with many inputs corresponding to many different parts of the stored block chain.
Weakness: CWE-399
Which versions are affected by CVE-2013-2293?
It affects 3 products.
Products include Bitcoin Bitcoin-Qt, Bitcoin Bitcoin Core, Bitcoin Bitcoind.
How do I fix CVE-2013-2293?
No fix has been published for CVE-2013-2293 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-2013-2293 being exploited?
There is no known exploitation of CVE-2013-2293 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-9j45-qmfv-3g29.