JIT Spraying Never Dies

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Demo • CFG Bypass via WARP Shader <strong>JIT</strong> – CVE-2016-0193 (Chakra OOB Write) – MS16-063 (Jscript9 UAF) – CVE-2015-6055 (VBScript Type Confusion)
Demo – MS16-063
Page 1 and 2: JIT Spraying Never Dies - Bypass CF
Page 3 and 4: About Speakers • Bing Sun - Bing
Page 5 and 6: Background Knowledge • Direct3D &
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: The Possibility of Exploiting 64-bi
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

JIT Spraying Never Dies

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