CVE-2023-50428 Business logic in n/a
Attackers can bypass data carrier size limits by obfuscating data as code, allowing excessive data storage in Bitcoin transactions.
- 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-2023-50428?
CVE-2023-50428 is a medium-severity vulnerability in Bitcoin Bitcoin Core, published on 9 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Bitcoin Core through 26.0 and Bitcoin Knots before 25.1.knots20231115, datacarrier size limits can be bypassed by obfuscating data as code (e.g., with OP_FALSE OP_IF), as exploited in the wild by Inscriptions in 2022 and 2023. NOTE: although this is a vulnerability from the perspective of the Bitcoin Knots project, some others consider it "not a bug."
Which versions are affected by CVE-2023-50428?
It affects 2 products.
Products include Bitcoin Bitcoin Core, Bitcoinknots Bitcoin Knots.
How do I fix CVE-2023-50428?
No fix has been published for CVE-2023-50428 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-50428 being exploited?
There is no known exploitation of CVE-2023-50428 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-9x7v-86jh-jjch.