ChainBleedv0.1 · open intel
← back to feed·DELEGATECALL2024-04-25 · 2y ago
Incident · SLOWMIST

FENGSHOU (NGFS)

Contract Vulnerability
Estimated loss
$191.0K
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
DELEGATECALL
DELEGATECALLBYTECODE 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/2024-04/NGFS_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

Shortly after the deployment of the FENGSHOU (NGFS) token, it was attacked, resulting in a loss of approximately $191,000. The vulnerability lies in a public `delegateCallReserves` function which allows the attacker to set an arbitrary address to a UniSwapV2 proxy. Attack method (per SlowMist): Contract Vulnerability. Reported loss: $ 191,000.

Primary source
https://twitter.com/ddimitrovv22/status/1784223165251489952
Sourced from
slowmist
Technical record
chain
protocol
FENGSHOU (NGFS)
bug_class
delegatecall
date_occurred
2024-04-25
loss_usd
$191,000
source_id
sm:fengshou-ngfs-::2024-04-25
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