ChainBleedv0.1 · open intel
← back to feed·REENTRANCY2023-07-21 · 2y ago
Incident · SLOWMIST

Conic Finance

Reentrancy Attack
Estimated loss
$3.20M
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
REENTRANCY
REENTRANCYBYTECODE CATCHABLEAI SCANNABLE
Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2023-07/Conic_exp.sol
view forked test on github ↗

Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.

Forensic narrative

On July 21, Conic Finance ’s ETH omnipool was hit by a series of small hacks that cost around $3.2 million. Conic Finance issued an update on the attack, saying, “The root cause of the attack is due to an incorrect assumption about the address returned by the ETH’s Curve meta-registry in the Curve V2 pool, which enables reentrancy attacks and is deploying fixes for the affected contracts. Attack method (per SlowMist): Reentrancy Attack. Reported loss: $ 3,200,000.

Primary source
https://twitter.com/ConicFinance/status/1682385596700844032
Sourced from
slowmist
Technical record
chain
protocol
Conic Finance
bug_class
reentrancy
date_occurred
2023-07-21
loss_usd
$3,200,000
source_id
sm:conic-finance::2023-07-21
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