ChainBleedv0.1 · open intel
← back to feed·LOGIC2024-03-09 · 2y ago
Incident · SLOWMIST

Unizen

Contract Vulnerability
Estimated loss
$2.10M
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
LOGIC
LOGICBYTECODE 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/2024-03/UnizenIO2_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

The Unizen defi platform lost around $2.1 million in the Tether stablecoin in an attack that took advantage of a vulnerability an external call from the project smart contract. On March 12th, Unizen's CTO Martin Granström tweeted that they had recovered $185,000 worth of stolen funds from four hackers. Attack method (per SlowMist): Contract Vulnerability. Reported loss: $ 2,100,000.

Primary source
https://twitter.com/SlowMist_Team/status/1766311510362734824
Sourced from
slowmist
Technical record
chain
protocol
Unizen
bug_class
logic
date_occurred
2024-03-09
loss_usd
$2,100,000
source_id
sm:unizen::2024-03-09
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