$ ctf42

ezv8_revenge

Pwn weight 79.83 No technique tags yet.
Difficulty Not rated yet

Flag format: bi0s{...}

Looks like we have some reliability issues here; what could possibly go wrong?

Build Instructions (Debug)

fetch v8
cd v8
./build/install-build-deps.sh
git checkout 970c2bf28dd
git apply v8.patch
gclient sync
./tools/dev/v8gen.py x64.debug
ninja -C ./out.gn/x64.debug
cd ./out.gn/x64.debug
./d8

Useful Information

  • The given patch applies to commit 970c2bf28dd.

  • The binary running remote is the release build, and was built on the latest Ubuntu 22.04 docker image

  • After getting a shell, You have to run /catflag to get the flag.

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