shield Business Logic Flaw

Juice Exploit: Business Logic Flaw Incident Explained (2024)

On March 2024, Juice suffered a business logic flaw — the first of 144 documented business logic flaw incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.

Attack Mechanics: How the Juice Business Logic Flaw Played Out

Exploit Class Applied to Juice

The Juice incident on March 9, 2024 is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share. In the full archive, Juice is 1 of 144 documented business logic flaw incidents.

Juice in Context

The Juice incident joins a class whose largest loss to date is – EulerFinance (2023) at $200M.

Prior Business Logic Flaw Before Juice

The nearest business logic flaw incident before Juice was GHT, 2 days earlier on March 7, 2024 ($57K lost). The same exploit class surfaced again within the business logic flaw attack surface.

Impact & Recovery for Juice

Juice Loss Figure

The loss figure for Juice is not publicly disclosed. The primary source reports the exploit in non-USD terms, so no USD estimate is published here. For reference, the average loss across 144 business logic flaw incidents in our archive is $6.08M.

Timeline Since the Juice Incident

The Juice exploit occurred 2.1 years ago (766 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for Juice

Public post-mortem / on-chain analysis for the Juice incident: view source.

FAQ

How much did Juice lose?

The Juice loss figure is not publicly disclosed. The primary source reports the exploit in non-USD token terms, so no USD estimate is published here.

When did the Juice hack happen?

The Juice exploit was recorded on March 9, 2024 — 766 days ago.

What type of exploit hit Juice?

The Juice incident is classified as a Business Logic Flaw. A business-logic bug in the contract — such as an incorrect formula or missing state update — lets the attacker withdraw more than their share.

How common is the Business Logic Flaw pattern seen at Juice?

Our archive contains 144 documented business logic flaw incidents. The Juice incident is one of them.

How does Juice compare to the largest Business Logic Flaw attack?

The largest business logic flaw incident in our archive is – EulerFinance (2023) at $200M. The Juice loss was not publicly disclosed.

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