NRDAX-T0207 - Pre-Verify Gossip Flood

consensus_abuse · active · first seen 2026-07-04

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

CometBFT consensus DataChannel(0x21) ProposalMessage flood: valid-shape Proposal passes ValidateBasic but the RLock+queue path runs before deferred sig-verify - the N1.4 family HEAD (vote-flood + bloc

instances (2)

chain	primitive	fidelity	origin	reproducer (bundle)	source
cosmos	cometbft_proposal_flood	lab	NullRabbit Labs	cometbft_proposal_flood	github.com ↗
cosmos	cometbft_vote_flood	lab	NullRabbit Labs	cometbft_vote_flood	github.com ↗

related (consensus_abuse)

NRDAX-T0024 - Compact Block FillBlock Duplicate Crash active NRDAX-T0056 - Duplicate Input Validation-Bypass Crash active NRDAX-T0143 - Malformed Field Gossip Before Validation active NRDAX-T0165 - Missing Zero-Guard Divide-By-Zero Halt active NRDAX-T0202 - Peer Timestamp Skew Manipulation active NRDAX-T0211 - Premature Processing Index-Out-Of-Range Panic active NRDAX-T0298 - Timestamp Integer Overflow Netsplit active NRDAX-T0307 - Transaction Malleability active

cite

https://nrdax.com/techniques/NRDAX-T0207

plain

NRDAX Registry. Technique NRDAX-T0207.

bibtex

@misc{nrdax_NRDAX_T0207,
  title = {Pre-Verify Gossip Flood (NRDAX-T0207)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0207},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0207",
  "type": "dataset",
  "title": "Pre-Verify Gossip Flood (NRDAX-T0207)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0207",
  "publisher": "NRDAX Registry"
}