ChainBleedv0.1 · open intel
← back to feed·POLYORACLE2023-04-30 · 3y ago
Incident · SLOWMIST

0VIX

Oracle Attack
Estimated loss
$2.00M
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
ORACLE
ORACLEBYTECODE 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/2023-04/0vix_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

DeFi protocol 0VIX on the Polygon chain was exploited for around $2 million. The attack was carried out by an attacker manipulating the oracle, who then performed a flash loan attack on the project. The agreement was suspended after the attack. Attack method (per SlowMist): Oracle Attack. Reported loss: $ 2,000,000.

Primary source
https://www.coindesk.com/business/2023/04/28/defi-protocol-0vix-loses-nearly-2m-in-flash-loan-exploit/
Sourced from
slowmist
Technical record
chain
polygon
protocol
0VIX
bug_class
oracle
date_occurred
2023-04-30
loss_usd
$2,000,000
source_id
sm:0vix::2023-04-30
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