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Deformity sol files may cause solc exception and crash #4476

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zhongyinglou opened this Issue Jul 11, 2018 · 1 comment

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zhongyinglou commented Jul 11, 2018

Dealing with deformity sol files, dynamic_cast Operator will throw a "Unknown exception during compilation." exception cause solc compiler crash.when dealing
Base class reference.
dynamic_cast.zip

@chriseth chriseth added this to Optional in 0.5.0 via automation Jul 11, 2018

@chriseth chriseth added the bug 🐛 label Jul 11, 2018

@axic axic closed this in #4479 Jul 12, 2018

0.5.0 automation moved this from Optional to Done Jul 12, 2018

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zhongyinglou commented Nov 2, 2018

This vulnerability found by security researcher limingzheng From China Beijing Chainsguard (www.chainsguard.com) .

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