[StepSecurity] Apply security best practices (#104)

Signed-off-by: StepSecurity Bot <[email protected]>

Author: step-security-bot

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: docker
+    directory: /tools/releaseBuild/Images/microsoft_powershell_ubuntu16.04
+    schedule:
+      interval: daily
+
+  - package-ecosystem: docker
+    directory: /tools/releaseBuild/Images/microsoft_powershell_ubuntu18.04
+    schedule:
+      interval: daily

.github/workflows/dependency-review.yml

@@ -0,0 +1,22 @@
+# Dependency Review Action
+#
+# This Action will scan dependency manifest files that change as part of a Pull Request,
+# surfacing known-vulnerable versions of the packages declared or updated in the PR.
+# Once installed, if the workflow run is marked as required,
+# PRs introducing known-vulnerable packages will be blocked from merging.
+#
+# Source repository: https://github.com/actions/dependency-review-action
+name: 'Dependency Review'
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  dependency-review:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout Repository'
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+      - name: 'Dependency Review'
+        uses: actions/dependency-review-action@0efb1d1d84fc9633afcdaad14c485cbbc90ef46c # v2.5.1

.github/workflows/scorecards.yml

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+# This workflow uses actions that are not certified by GitHub. They are provided
+# by a third-party and are governed by separate terms of service, privacy
+# policy, and support documentation.
+
+name: Scorecard supply-chain security
+on:
+  # For Branch-Protection check. Only the default branch is supported. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
+  branch_protection_rule:
+  # To guarantee Maintained check is occasionally updated. See
+  # https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
+  schedule:
+    - cron: '20 7 * * 2'
+  push:
+    branches: ["master"]
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  analysis:
+    name: Scorecard analysis
+    runs-on: ubuntu-latest
+    permissions:
+      # Needed to upload the results to code-scanning dashboard.
+      security-events: write
+      # Needed to publish results and get a badge (see publish_results below).
+      id-token: write
+      contents: read
+      actions: read
+
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        with:
+          persist-credentials: false
+
+      - name: "Run analysis"
+        uses: ossf/scorecard-action@99c53751e09b9529366343771cc321ec74e9bd3d # v2.0.6
+        with:
+          results_file: results.sarif
+          results_format: sarif
+          # (Optional) "write" PAT token. Uncomment the `repo_token` line below if:
+          # - you want to enable the Branch-Protection check on a *public* repository, or
+          # - you are installing Scorecards on a *private* repository
+          # To create the PAT, follow the steps in https://github.com/ossf/scorecard-action#authentication-with-pat.
+          # repo_token: ${{ secrets.SCORECARD_TOKEN }}
+
+          # Public repositories:
+          #   - Publish results to OpenSSF REST API for easy access by consumers
+          #   - Allows the repository to include the Scorecard badge.
+          #   - See https://github.com/ossf/scorecard-action#publishing-results.
+          # For private repositories:
+          #   - `publish_results` will always be set to `false`, regardless
+          #     of the value entered here.
+          publish_results: true
+
+      # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
+      # format to the repository Actions tab.
+      - name: "Upload artifact"
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+        with:
+          name: SARIF file
+          path: results.sarif
+          retention-days: 5
+
+      # Upload the results to GitHub's code scanning dashboard.
+      - name: "Upload to code-scanning"
+        uses: github/codeql-action/upload-sarif@e949a1676c32f4c215780f7429eb9f00ff18b225 # v2.25.1
+        with:
+          sarif_file: results.sarif

tools/releaseBuild/Images/microsoft_powershell_ubuntu16.04/Dockerfile

@@ -1,5 +1,5 @@
 # Docker image file that describes an Ubuntu16.04 image with PowerShell and SnapCraft installed from Microsoft APT Repo
-FROM mcr.microsoft.com/powershell:ubuntu-20.04
+FROM mcr.microsoft.com/powershell:ubuntu-20.04@sha256:1865d5959fde265ed584e162b4f6e0c9e41119cebb4032b0630b540954fddbcd
 
 ARG SNAPCRAFT_CHANNEL=stable
 

tools/releaseBuild/Images/microsoft_powershell_ubuntu18.04/Dockerfile

@@ -1,5 +1,5 @@
 # Docker image file that describes an Ubuntu16.04 image with PowerShell and SnapCraft installed from Microsoft APT Repo
-FROM mcr.microsoft.com/powershell:ubuntu-20.04
+FROM mcr.microsoft.com/powershell:ubuntu-20.04@sha256:1865d5959fde265ed584e162b4f6e0c9e41119cebb4032b0630b540954fddbcd
 
 ARG SNAPCRAFT_CHANNEL=stable