Recent Articles
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Issue 1473631 (Type Confusion in Harmony Set Methods)
Introduction Issue 1473631은 JavaScript ES6 Harmony의 Set method들에서 발생하는 버그로, type confusion을 이용하여 arbitrary code execution이 가능한 취약점입니다. Environment Setting # install depot_tools cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=$HOME/depot_tools:$PATH echo -e '\nexport PATH=$HOME/depot_tools:$PATH' >> ~/.zshrc # get V8 cd ~ mkdir V8 cd V8 fetch v8 cd v8 g..
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CVE-2024-0517 (Out of Bounds Write in V8)
Introduction CVE-2024-0517은 Maglev가 derived constructor를 컴파일하는 과정에서 allocation folding을 처리할 때 발생하는 버그로, out of bounds write를 이용하여 arbitrary code execution이 가능한 취약점입니다. Environment Setting # install depot_tools cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=$HOME/depot_tools:$PATH echo 'export PATH=$HOME/depot_tools:$PATH' >> ~/.zshrc # get V8 cd ~ mkd..
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CVE-2021-30551 (Type confusion in V8 in Google Chrome)
Introduction CVE-2021-30551은 property interceptor가 JavaScript의 asynchronous task를 고려하지 않아 발생하는 버그로, type confusion을 이용하여 arbitrary code execution이 가능한 취약점입니다. Environment Setting Install Depot_tools Chromium 빌드를 위해 depot_tools를 설치합니다. cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=$PWD/depot_tools:$PATH Download Chromium source code Chromium 소스 코드를 다운..
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Issue-1472121 : Exploit out-of-bound CloneObjectIC type confusion
Environment Setting Install depot_tools cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=~/depot_tools:$PATH Get V8 source code mkdir v8 cd v8 fetch v8 cd v8 git checkout 25b1011e80f gclient sync -D Install build dependencies ./build/install-build-deps.sh Build V8 gn gen out/debug --args="v8_no_inline=true v8_optimized_debug=false is_component_build=fal..
Popular Articles
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Issue-1472121 : Exploit out-of-bound CloneObjectIC type confusion
Environment Setting Install depot_tools cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=~/depot_tools:$PATH Get V8 source code mkdir v8 cd v8 fetch v8 cd v8 git checkout 25b1011e80f gclient sync -D Install build dependencies ./build/install-build-deps.sh Build V8 gn gen out/debug --args="v8_no_inline=true v8_optimized_debug=false is_component_build=fal..
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CVE-2024-0517 (Out of Bounds Write in V8)
Introduction CVE-2024-0517은 Maglev가 derived constructor를 컴파일하는 과정에서 allocation folding을 처리할 때 발생하는 버그로, out of bounds write를 이용하여 arbitrary code execution이 가능한 취약점입니다. Environment Setting # install depot_tools cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=$HOME/depot_tools:$PATH echo 'export PATH=$HOME/depot_tools:$PATH' >> ~/.zshrc # get V8 cd ~ mkd..
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CVE-2021-30551 (Type confusion in V8 in Google Chrome)
Introduction CVE-2021-30551은 property interceptor가 JavaScript의 asynchronous task를 고려하지 않아 발생하는 버그로, type confusion을 이용하여 arbitrary code execution이 가능한 취약점입니다. Environment Setting Install Depot_tools Chromium 빌드를 위해 depot_tools를 설치합니다. cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=$PWD/depot_tools:$PATH Download Chromium source code Chromium 소스 코드를 다운..
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CVE-2023-3079 (Bug in the handling of the arguments object)
Environment Setting Install depot_tools cd ~ git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git export PATH=~/depot_tools:$PATH Get V8 source code mkdir v8 cd v8 fetch v8 cd v8 git checkout 4217c51611830d98d7fd7b8c922571942a87ad2e gclient sync -D Install build dependencies ./build/install-build-deps.sh Build V8 gn gen out/debug --args="v8_no_inline=true v8_optimized_debug..
