An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read which can subsequently trigger an out-of-bounds write resulting in remote code execution. An attacker can create/send malicious smart contract to trigger this vulnerability.
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0500
- https://github.com/amousset/vulnerable_crate
- https://github.com/demining/Solidity-Forcibly-Send-Ether-Vulnerability