NRDAX-T0205 - Pre-Handshake Crypto CPU Burn

compute_amp · active · first seen 2022-01-01

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

Bitcoin Core BIP-324 v2 transport pre-auth CPU burn: the 64-byte inbound ellswift key triggers secp256k1 ellswift ECDH + HKDF-SHA256 BEFORE any auth/rate-limit; only the soft 125-inbound cap gates, ac

research

In-depth write-ups of this attack on nullrabbit.ai.

Cometbft Secretconnection Preauth Handshake Cpu Burn ↗

instances (8)

chain	primitive	fidelity	origin	reproducer (bundle)	source
bitcoin	btc_bip324_prehandshake_ecdh_cpu	lab	NullRabbit Labs	btc_bip324_prehandshake_ecdh_cpu	github.com ↗
casper	casper_p521_preauth_verify_burn	lab	NullRabbit Labs	casper_p521_preauth_verify_burn	casper-node @ee2fe18 tls.rs:500-540 P-521 verify; CSPR-H1
conflux	cfx_ecies_preauth_ecdh_burn	lab	NullRabbit Labs	cfx_ecies_preauth_ecdh_burn	conflux-rust @2dfb5f91 handshake.rs:173-197 + cfx_crypto crypto.rs:150; CFX-H1
cosmos	cometbft_mconn_handshake_burn	lab	NullRabbit Labs	cometbft_mconn_handshake_burn	github.com ↗
icon	icon_goloop_preauth_ecdh_burn	lab	NullRabbit Labs	icon_goloop_preauth_ecdh_burn	goloop @67f6ff8 secure.go:226 ScalarMult; H-ICX-1
libp2p	go_libp2p_oversized_rsa_key_cpu_burn	lab	reverse-engineered-cve	go_libp2p_oversized_rsa_key_cpu_burn	https://github.com/libp2p/go-libp2p/security/advisories/GHSA-876p-8259-xjgg ↗
qtum	qtum_bip324_prehandshake_ecdh_cpu	lab	NullRabbit Labs	qtum_bip324_prehandshake_ecdh_cpu	github.com ↗
xrp	rippled_overlay_handshake_ecdsa_burn	lab	NullRabbit Labs	rippled_overlay_handshake_ecdsa_burn	github.com ↗

references

cve: CVE-2022-0778

related (compute_amp)

NRDAX-T0005 - Array Deserialization Memcpy Corruption active NRDAX-T0006 - Async Runtime Blocking VM Execution active NRDAX-T0013 - Bloom Filter Divide-By-Zero Crash active NRDAX-T0076 - Expensive Debug RPC Compute Amplification active NRDAX-T0101 - Handshake Crypto Validation Bypass Crash active NRDAX-T0122 - Integer Signedness Index OOB Crash active NRDAX-T0129 - Invalid Curve Point Panic active NRDAX-T0139 - Legacy Sighash Quadratic CPU Blowup active

cite

https://nrdax.com/techniques/NRDAX-T0205

plain

NRDAX Registry. Technique NRDAX-T0205.

bibtex

@misc{nrdax_NRDAX_T0205,
  title = {Pre-Handshake Crypto CPU Burn (NRDAX-T0205)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0205},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0205",
  "type": "dataset",
  "title": "Pre-Handshake Crypto CPU Burn (NRDAX-T0205)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0205",
  "publisher": "NRDAX Registry"
}