NRDAX-T0246 - Rate-Limit Key Confusion

connection_exhaustion · active · first seen 2026-07-09

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

IC ingress-pool per-NodeId quota mis-key (IC_N1_INGRESS_POOL_QUOTA_MISKEY): every HTTP-arriving ingress message buckets under the carrier replica's own NodeId instead of the signing principal (call.rs

instances (1)

chain	primitive	fidelity	origin	reproducer (bundle)	source
ic	ic_ingress_pool_quota_miskey	lab	NullRabbit Labs	ic_ingress_pool_quota_miskey	github.com ↗

related (connection_exhaustion)

NRDAX-T0041 - Cross-Chain Peer Pool Pollution active NRDAX-T0064 - Endpoint Concurrency Cap Exhaustion active NRDAX-T0088 - GetData Request Flood active NRDAX-T0099 - Half-Open Handshake Slowloris active NRDAX-T0100 - Handshake Crypto CPU Burn active NRDAX-T0145 - Malformed HTTP Body Crash active NRDAX-T0206 - Pre-Handshake Packet Flood active NRDAX-T0214 - Protocol Message Flood Unbounded Goroutine active

cite

https://nrdax.com/techniques/NRDAX-T0246

plain

NRDAX Registry. Technique NRDAX-T0246.

bibtex

@misc{nrdax_NRDAX_T0246,
  title = {Rate-Limit Key Confusion (NRDAX-T0246)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0246},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0246",
  "type": "dataset",
  "title": "Rate-Limit Key Confusion (NRDAX-T0246)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0246",
  "publisher": "NRDAX Registry"
}