Consensus failure in github.com/btcsuite/btcd
The btcd Bitcoin client (versions 0.10 to 0.24) did not correctly re-implement Bitcoin Core's 'FindAndDelete()' functionality, causing discrepancies in the validation of Bitcoin blocks. This can lead to a chain split (accepting an invalid block) or Denial of Service (DoS) attacks (rejecting a valid block). An attacker can trigger this vulnerability by constructing a 'standard' Bitcoin transaction that exhibits different behaviors in 'FindAndDelete()' and 'removeOpcodeByData()'.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-38365US | high8.1 | — | ||
btcd is an alternative full node bitcoin implementation written in Go (golang). The btcd Bitcoin client (versions 0.10 to 0.24) did not correctly re-implement Bitcoin Core's "FindA… | ||||
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references
External citations — patches, advisories, analysis.
- https://delvingbitcoin.org/t/cve-2024-38365-public-disclosure-btcd-findanddelete-bug/1184WEB
- https://github.com/btcsuite/btcd/commit/04469e600e7d4a58881e2e5447d19024e49800f5FIX
- https://github.com/btcsuite/btcd/releases/tag/v0.24.2WEB
- https://github.com/btcsuite/btcd/security/advisories/GHSA-27vh-h6mc-q6g8ADVISORY
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