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ID:

mirror-protocol-923

Date:

Status:

Incident Count:

August 10, 2021

Verified

3

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REKT

Contributor:

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zerofriction.io

KYC By:

KYC:

None

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Audit By:

Audits:

Cyber Unit, Cryptonics

Loss Amount:

90,000,000

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Recovered:

-

Rewards:

Currency:

USD, LUNA

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This exploit involved repeatedly unlocking collateral deposited against short positions on Mirror Protocol.

The lock contract did not contain a duplicate call check for withdrawals, allowing the attacker to drain funds deposited by other users by calling unlock_position_funds for their own position ID multiple times.

On the 14th of May 2022, the vulnerability was finally, and quietly, patched with no mention of the bug nor the $90M loss it had produced just seven months earlier.

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