JIT Spraying Never Dies

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Agenda • Background Knowledge • Bypass CFG via WARP Shader JIT Spraying • Demo (WARP Shader JIT Spraying) • Extra Demo (Other 0day CFG/DEP Bypass Methods) • Q&A
Background Knowledge • Direct3D & DXGI • Software Rasterizer & WARP • Rendering Pipeline & Shader • GLSL/HLSL • WebGL & Its Usage • Shader’s Lifecycle on WARP • The Basic Principle of CFG • Known CFG Bypass Methods
Page 1 and 2: JIT Spraying Never Dies - Bypass CF
Page 3: About Speakers • Bing Sun - Bing
Page 7 and 8: Software Rasterizer & WARP • Soft
Page 9 and 10: GLSL & HLSL • Shading Language -
Page 11 and 12: WebGL and Its Usage • WebGL (Web
Page 13 and 14: The Basic Principle of CFG • Abou
Page 15 and 16: Known CFG Bypass Methods • Call V
Page 17 and 18: The Security Assessment on WARP Sha
Page 19 and 20: Separation of Data and Code Data Co
Page 21 and 22: The Weakness of WARP Shader JIT Eng
Page 23 and 24: No CFG for JITed Code Data Code
Page 25 and 26: WARP Module Not Loaded Web page con
Page 27 and 28: The Solution to Challenge I & II
Page 29 and 30: The Solution to Challenge III • S
Page 31 and 32: The Solution to Challenge III (cont
Page 33 and 34: MS16-063 typedarray.subarray(ropsta
Page 35 and 36: CVE-2016-0193 (jmp) esi -> Fake vft
Page 37 and 38: The Possibility of Exploiting 64-bi
Page 39 and 40: Demo - MS16-063
Page 41 and 42: Extra Demo • Other 0day CFG/DEP B
Page 43 and 44: Demo - CFG/DEP Bypass 0day II Creat
Page 45 and 46: Q&A • You are welcomed to send qu

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