Vulnerability · Published Dec 9, 2023 · Assigned by mitre
CVE-2023-50428
Medium 5.3
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.8%top 43.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
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."
Affected products (as reported)
References
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
- https://twitter.com/LukeDashjr/status/1732204937466032285
- https://github.com/bitcoin/bitcoin/pull/28408#issuecomment-1844981799
- https://github.com/bitcoinknots/bitcoin/blob/aed49ce8989334c364a219a6eb016a3897d4e3d7/doc/release-notes.md
- https://github.com/bitcoin/bitcoin/tags
- https://github.com/bitcoin/bitcoin/blob/65c05db660b2ca1d0076b0d8573a6760b3228068/src/kernel/mempool_options.h#L46-L53