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proxyOverflow Bug

ID Submit date Publish date Author Score
1 10.25.2018 10.25.2018 10.0

Description

An integer overflow in the transferProxy function of a smart contract implementation for SmartMesh (aka SMT), an Ethereum ERC20 token, allows attackers to accomplish an unauthorized increase of digital assets via crafted _fee and _value parameters, as exploited in the wild in April 2018, aka the proxyOverflow issue. Vector: BVSS:1.1/B:S/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/CI:N/II:H/AI:N

Proof of concept

https://blog.peckshield.com/2018/04/25/proxyOverflow/

Comments


@Arbin February, 7 03:32am

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