Add kernelCTF CVE-2023-5345 (lts & mitigation) #59
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: kernelCTF PR check | |
| on: | |
| pull_request_target: | |
| types: [opened, synchronize, reopened, labeled] | |
| paths: [pocs/linux/kernelctf/**] | |
| workflow_dispatch: | |
| inputs: | |
| prNumber: | |
| description: 'PR number' | |
| type: number | |
| required: true | |
| permissions: {} | |
| env: | |
| PR_REF: ${{ github.event_name == 'workflow_dispatch' && format('refs/pull/{0}/merge', github.event.inputs.prNumber) || github.event.pull_request.head.sha }} | |
| jobs: | |
| structure_check: | |
| # if labeling triggered the job then only run in case of the "recheck" label | |
| if: github.event.action != 'labeled' || github.event.label.name == 'recheck' | |
| runs-on: ubuntu-latest | |
| permissions: {} | |
| outputs: | |
| targets: ${{ steps.check_submission.outputs.targets }} | |
| submission_dir: ${{ steps.check_submission.outputs.submission_dir }} | |
| steps: | |
| - run: pip install -U jsonschema | |
| - name: Checkout repo content | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: master | |
| - name: Checkout PR content | |
| uses: actions/checkout@v4 | |
| with: | |
| path: pr | |
| ref: ${{ env.PR_REF }} | |
| fetch-depth: 0 | |
| - id: check_submission | |
| name: Check submission | |
| working-directory: pr | |
| run: | | |
| echo "::stop-commands::$(uuidgen)" | |
| ../kernelctf/check-submission.py ${{ github.event.pull_request.base.sha }} | |
| exploit_build: | |
| runs-on: ubuntu-latest | |
| needs: structure_check | |
| permissions: {} | |
| strategy: | |
| matrix: | |
| target: ${{ fromJSON(needs.structure_check.outputs.targets) }} | |
| fail-fast: false # do not cancel other targets | |
| env: | |
| RELEASE_ID: ${{ matrix.target }} | |
| EXPLOIT_DIR: pr/pocs/linux/kernelctf/${{ needs.structure_check.outputs.submission_dir }}/exploit/${{ matrix.target }} | |
| steps: | |
| - name: Checkout PR content | |
| uses: actions/checkout@v4 | |
| with: | |
| path: pr | |
| ref: ${{ env.PR_REF }} | |
| fetch-depth: 0 | |
| - name: List files | |
| run: find . | |
| - name: Backup original exploit | |
| run: mv $EXPLOIT_DIR/exploit ./ | |
| - name: Build exploit | |
| id: build_exploit | |
| working-directory: ${{ env.EXPLOIT_DIR }} | |
| run: | | |
| if make -n prerequisites; then | |
| make prerequisites | |
| fi | |
| make exploit | |
| - name: Upload exploit (newly compiled) | |
| if: success() | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: exploit_${{ env.RELEASE_ID }} | |
| path: ${{ env.EXPLOIT_DIR }}/exploit | |
| if-no-files-found: error | |
| - name: Upload exploit (original, build failed) | |
| if: failure() && steps.build_exploit.outcome == 'failure' | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: exploit_${{ env.RELEASE_ID }} | |
| path: ./exploit | |
| if-no-files-found: error | |
| - name: Summarize result (success) | |
| if: success() | |
| run: printf '✅ Exploit was built successfully.\n\nIt can be found under the artifacts (`exploit_${{ env.RELEASE_ID }}`).\n' >> $GITHUB_STEP_SUMMARY | |
| - name: Summarize result (failure) | |
| if: failure() && steps.build_exploit.outcome == 'failure' | |
| run: printf '❌ The exploit compilation failed.\n\nPlease fix it.\n\nYou can see the build logs by clicking on `...` here and then on "View job logs". Or by selecting `exploit_build (${{ env.RELEASE_ID }})` under Jobs in the left menubar.\n' >> $GITHUB_STEP_SUMMARY | |
| exploit_repro: | |
| runs-on: ubuntu-22.04-4core | |
| timeout-minutes: 30 | |
| permissions: {} | |
| needs: [structure_check, exploit_build] | |
| strategy: | |
| matrix: | |
| target: ${{ fromJSON(needs.structure_check.outputs.targets) }} | |
| fail-fast: false | |
| if: always() && needs.structure_check.result == 'success' | |
| env: | |
| RELEASE_ID: ${{ matrix.target }} | |
| SUBMISSION_DIR: ${{ needs.structure_check.outputs.submission_dir }} | |
| EXPLOIT_INFO: ${{ needs.structure_check.outputs[format('exploit_info_{0}', matrix.target)] }} | |
| defaults: | |
| run: | |
| shell: bash | |
| working-directory: ./kernelctf/repro/ | |
| steps: | |
| - name: Checkout repo content | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: master | |
| - name: Install tools (QEMU, inotify, expect) | |
| run: sudo apt-get update && sudo apt-get install -y qemu-system-x86 inotify-tools expect | |
| - name: Enable KVM group perms | |
| run: | | |
| echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules | |
| sudo udevadm control --reload-rules | |
| sudo udevadm trigger --name-match=kvm | |
| - name: Download exploit | |
| uses: actions/download-artifact@v3 | |
| with: | |
| name: exploit_${{ env.RELEASE_ID }} | |
| path: ./kernelctf/repro/exp/ | |
| - name: Fetch rootfs | |
| run: | | |
| wget -O rootfs.img.gz https://storage.googleapis.com/kernelctf-build/files/rootfs_repro_v2.img.gz | |
| gzip -d rootfs.img.gz | |
| - name: Download bzImage | |
| run: | | |
| if [ "$RELEASE_ID" == "mitigation-6.1" ]; then RELEASE_ID="mitigation-6.1-v2"; fi | |
| wget https://storage.googleapis.com/kernelctf-build/releases/$RELEASE_ID/bzImage | |
| - name: List repro folder contents | |
| run: ls -alR ./ | |
| # ugly hack to make Github Actions UI to show repro logs separately in somewhat readable fashion | |
| - id: repro1 | |
| name: Reproduction (1 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 1 | |
| - id: repro2 | |
| name: Reproduction (2 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 2 | |
| - id: repro3 | |
| name: Reproduction (3 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 3 | |
| - id: repro4 | |
| name: Reproduction (4 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 4 | |
| - id: repro5 | |
| name: Reproduction (5 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 5 | |
| - id: repro6 | |
| name: Reproduction (6 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 6 | |
| - id: repro7 | |
| name: Reproduction (7 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 7 | |
| - id: repro8 | |
| name: Reproduction (8 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 8 | |
| - id: repro9 | |
| name: Reproduction (9 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 9 | |
| - id: repro10 | |
| name: Reproduction (10 / 10) | |
| continue-on-error: true | |
| run: ./repro.sh 10 | |
| - name: Upload repro QEMU logs as an artifact | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: repro_logs_${{ env.RELEASE_ID }} | |
| path: repro_log_*.txt | |
| - name: Reproduction // Summary | |
| env: | |
| STEPS: ${{ toJSON(steps) }} | |
| run: | | |
| echo $STEPS >> steps.json | |
| ../repro_summary.py ${{ github.run_id }} |