Vulnerabilities > CVE-2023-50428
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
LOW Summary
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."
Vulnerable Configurations
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