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ID:

bra-token-1404

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Date:

Status:

Incident Count:

January 10, 2023

Verified

1

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REKT

Contributor:

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web3rekt.com

KYC By:

KYC:

None

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50 pts

Audit By:

Audits:

None

Loss Amount:

226,913

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Recovered:

-

Rewards:

Ticker:

USD, BRA

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100 pts
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Platform:

Type:

Category:

Method:

Data Sources:

Binance Smart Chain

Assets

Token

Contract Vulnerabilities

Extended Method:

Logic error, missing sync after transferring allowing for doubling of rewards

Days in Operation:

90

(0.25 Years)

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100 pts each

The BRA token on BSC was attacked, and total of 819 WBNB was taken across two attacks. The root cause is due to a logic flaw of the BRA contract, which doubles reward the tax fee to the pancake pair without invoking the sync() function after transferring. The attacker repeatedly invoked the skim() function to increase the balance of the pair. In addition, any user could call the skim function to withdraw the surplus tokens in the token pair. This resulted in that the number of circulating tokens eventually exceeded the token's max supply.

Initial fund came from FixedFloat.

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