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code-423n4 / 2021-11-vader-findings

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Fancy burning address concerns #261

Closed code423n4 closed 2 years ago

code423n4 commented 2 years ago

Handle

hack3r-0m

Vulnerability details

https://github.com/code-423n4/2021-11-vader/blob/main/contracts/shared/ProtocolConstants.sol#L51

This burn address is used at several places which are different from the standard null address. However, contract checks for address validation for null address for operations. If private keys are discovered for used burn address or potentially future deployment of contract which can take advantage can lead to loss of funds.

add checks for burn address on transfers or change burn address to zero.

0xstormtrooper commented 2 years ago

If private keys are discovered for used burn address

This logic also applies to zero address

alcueca commented 2 years ago

Dispute accepted.