ChainBleedv0.1 · open intel
← back to feed·ETHLOGIC2023-10-28 · 2y ago
Incident · SLOWMIST

Astrid

Contract Vulnerability
Estimated loss
$228.0K
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/2023-10/Astrid_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 Ethereum liquidity restaking pool Astrid was attacked due to a vulnerability in the withdrawal function, resulting in a loss of approximately $228,000. The parameters of the `withdraw()` function, specifically the token address and token amount, were exploitable. On October 29, the hackers returned 80% of the stolen funds (102 ETH). Attack method (per SlowMist): Contract Vulnerability. Reported loss: $ 228,000.

Primary source
https://twitter.com/AstridFinance/status/1718254655288066501
Sourced from
slowmist
Technical record
chain
ethereum
protocol
Astrid
bug_class
logic
date_occurred
2023-10-28
loss_usd
$228,000
source_id
sm:astrid::2023-10-28
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