[CP-Sec] Remediate OpenSSF flagged issues

* Add top-level permissions to CodeQL workflow
* Add top-level permissions to CI workflow
* Pin docker image by hash
* Pin github actions by hash

Author: carlewis

.github/workflows/ci.yml

@@ -2,6 +2,9 @@ name: Continuous Integration
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
@@ -12,10 +15,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
 
       - name: clang-format
-        uses: jidicula/[email protected]
+        uses: jidicula/clang-format-action@c74383674bf5f7c69f60ce562019c1c94bc1421a # v4.13.0
         with:
           clang-format-version: '17'
           check-path: 'src'
@@ -30,10 +33,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
 
       - name: Path filter
-        uses: dorny/paths-filter@v3
+        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
         id: changes
         with:
           filters: |
@@ -42,19 +45,19 @@ jobs:
 
       - name: Set up Docker Buildx
         if: steps.changes.outputs.container == 'true'
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
 
       - name: Log in to the Container registry
         if: steps.changes.outputs.container == 'true'
-        uses: docker/login-action@v3
+        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v3.2.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Extract metadata
         id: meta
-        uses: docker/metadata-action@v5
+        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
@@ -65,7 +68,7 @@ jobs:
 
       - name: Build and push
         if: steps.changes.outputs.container == 'true'
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
         with:
           context: '{{defaultContext}}:ci'
           push: true
@@ -92,7 +95,7 @@ jobs:
          password: ${{ secrets.github_token }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
         with:
           submodules: "recursive"
 
@@ -118,7 +121,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
 
       - name: Configure CMake (no graphics)
         run: >

.github/workflows/codeql.yml

@@ -22,6 +22,8 @@ on:
 env:
   BUILD_TYPE: Release
 
+permissions: {}
+
 jobs:
   analyze:
     name: Analyze (${{ matrix.language }})
@@ -63,7 +65,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
 
     # Handle git 'dubious ownership/safe.directory' container warnings (reduces related CodeQL verbosity)
     - name: Add safe Git directory
@@ -72,7 +74,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@9fdb3e49720b44c48891d036bb502feb25684276 # v3.25.6
       with:
         languages: ${{ matrix.language }}
         build-mode: ${{ matrix.build-mode }}
@@ -107,6 +109,6 @@ jobs:
       run: cmake --build ${{github.workspace}}/build -- -k -j
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@9fdb3e49720b44c48891d036bb502feb25684276 # v3.25.6
       with:
         category: "/language:${{matrix.language}}"

.github/workflows/scorecard.yml

@@ -39,7 +39,7 @@ jobs:
       # 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@v4
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
         with:
           name: SARIF file
           path: results.sarif

ci/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:22.04
+FROM ubuntu:24.04@sha256:3f85b7caad41a95462cf5b787d8a04604c8262cdcdf9a472b8c52ef83375fe15
 
 # Get basic dependencies from Ubuntu repositories
 RUN apt update && apt -y install wget gpg git cmake ninja-build \