Migrate Importer to Advisory v2 & Collect Existing Fix Commits for Project KB

vulnerabilities/importers/__init__.py

@@ -56,6 +56,12 @@
 from vulnerabilities.pipelines.v2_importers import nvd_importer as nvd_importer_v2
 from vulnerabilities.pipelines.v2_importers import oss_fuzz as oss_fuzz_v2
 from vulnerabilities.pipelines.v2_importers import postgresql_importer as postgresql_importer_v2
+from vulnerabilities.pipelines.v2_importers import (
+    project_kb_msr2019_importer as project_kb_msr2019_importer_v2,
+)
+from vulnerabilities.pipelines.v2_importers import (
+    project_kb_statements_importer as project_kb_statements_importer_v2,
+)
 from vulnerabilities.pipelines.v2_importers import pypa_importer as pypa_importer_v2
 from vulnerabilities.pipelines.v2_importers import pysec_importer as pysec_importer_v2
 from vulnerabilities.pipelines.v2_importers import redhat_importer as redhat_importer_v2
@@ -83,6 +89,8 @@
         github_osv_importer_v2.GithubOSVImporterPipeline,
         redhat_importer_v2.RedHatImporterPipeline,
         aosp_importer_v2.AospImporterPipeline,
+        project_kb_statements_importer_v2.ProjectKBStatementsPipeline,
+        project_kb_msr2019_importer_v2.ProjectKBMSR2019Pipeline,
         nvd_importer.NVDImporterPipeline,
         github_importer.GitHubAPIImporterPipeline,
         gitlab_importer.GitLabImporterPipeline,

vulnerabilities/pipelines/v2_importers/aosp_importer.py

@@ -16,13 +16,9 @@
 from fetchcode.vcs import fetch_via_vcs
 
 from vulnerabilities.importer import AdvisoryData
-from vulnerabilities.importer import AffectedPackageV2
-from vulnerabilities.importer import PackageCommitPatchData
-from vulnerabilities.importer import PatchData
-from vulnerabilities.importer import ReferenceV2
 from vulnerabilities.importer import VulnerabilitySeverity
 from vulnerabilities.pipelines import VulnerableCodeBaseImporterPipelineV2
-from vulnerabilities.pipes.advisory import classify_patch_source
+from vulnerabilities.pipes.advisory import append_patch_classifications
 from vulnerabilities.severity_systems import GENERIC
 
 
@@ -90,23 +86,14 @@ def collect_advisories(self):
                     patch_url = commit_data.get("patchUrl")
                     commit_id = commit_data.get("commitId")
 
-                    base_purl, patch_objs = classify_patch_source(
+                    append_patch_classifications(
                         url=patch_url,
                         commit_hash=commit_id,
                         patch_text=None,
+                        affected_packages=affected_packages,
+                        references=references,
+                        patches=patches,
                     )
-                    for patch_obj in patch_objs:
-                        if isinstance(patch_obj, PackageCommitPatchData):
-                            fixed_commit = patch_obj
-                            affected_package = AffectedPackageV2(
-                                package=base_purl,
-                                fixed_by_commit_patches=[fixed_commit],
-                            )
-                            affected_packages.append(affected_package)
-                        elif isinstance(patch_obj, PatchData):
-                            patches.append(patch_obj)
-                        elif isinstance(patch_obj, ReferenceV2):
-                            references.append(patch_obj)
 
                 url = (
                     "https://raw.githubusercontent.com/quarkslab/aosp_dataset/refs/heads/master/cves/"

vulnerabilities/pipelines/v2_importers/project_kb_msr2019_importer.py

@@ -0,0 +1,97 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/aboutcode-org/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+
+import csv
+from pathlib import Path
+from typing import Iterable
+
+from fetchcode.vcs import fetch_via_vcs
+
+from vulnerabilities.importer import AdvisoryData
+from vulnerabilities.pipelines import VulnerableCodeBaseImporterPipelineV2
+from vulnerabilities.pipes.advisory import append_patch_classifications
+
+
+class ProjectKBMSR2019Pipeline(VulnerableCodeBaseImporterPipelineV2):
+    """
+    ProjectKB Importer Pipeline
+    Collect advisory from ProjectKB data:
+    - CSV database https://github.com/SAP/project-kb/blob/main/MSR2019/dataset/vulas_db_msr2019_release.csv
+    """
+
+    pipeline_id = "project-kb-MSR-2019_v2"
+    spdx_license_expression = "Apache-2.0"
+    license_url = "https://github.com/SAP/project-kb/blob/main/LICENSE.txt"
+    repo_url = "git+https://github.com/SAP/project-kb"
+
+    @classmethod
+    def steps(cls):
+        return (cls.clone_repo, cls.collect_and_store_advisories, cls.clean_downloads)
+
+    def clone_repo(self):
+        self.log("Cloning ProjectKB advisory data...")
+        self.vcs_response = fetch_via_vcs(self.repo_url)
+
+    def advisories_count(self):
+        csv_path = Path(self.vcs_response.dest_dir) / "MSR2019/dataset/vulas_db_msr2019_release.csv"
+
+        with open(csv_path, newline="", encoding="utf-8") as f:
+            reader = csv.reader(f)
+            next(reader, None)
+            count = sum(1 for _ in reader)
+
+        self.log(f"Estimated advisories to process: {count}")
+        return count
+
+    def collect_advisories(self) -> Iterable[AdvisoryData]:
+        self.log("Collecting fix commits from ProjectKB ( vulas_db_msr2019_release )...")
+        csv_path = Path(self.vcs_response.dest_dir) / "MSR2019/dataset/vulas_db_msr2019_release.csv"
+
+        with open(csv_path, newline="", encoding="utf-8") as f:
+            reader = csv.reader(f)
+            next(reader, None)  # skip header
+
+            for row in reader:
+                if len(row) != 4:
+                    continue
+
+                vuln_id, vcs_url, commit_hash, poc = row
+
+                if not vuln_id or not vcs_url or not commit_hash:
+                    continue
+
+                patches = []
+                affected_packages = []
+                references = []
+                append_patch_classifications(
+                    url=vcs_url,
+                    commit_hash=commit_hash,
+                    patch_text=None,
+                    affected_packages=affected_packages,
+                    references=references,
+                    patches=patches,
+                )
+
+                yield AdvisoryData(
+                    advisory_id=vuln_id,
+                    affected_packages=affected_packages,
+                    patches=patches,
+                    references_v2=references,
+                    url="https://github.com/SAP/project-kb/blob/main/MSR2019/dataset/vulas_db_msr2019_release.csv",
+                )
+
+    def clean_downloads(self):
+        """Remove the cloned repository from disk."""
+        self.log("Removing cloned repository...")
+        if self.vcs_response:
+            self.vcs_response.delete()
+
+    def on_failure(self):
+        """Ensure cleanup happens on pipeline failure."""
+        self.clean_downloads()

vulnerabilities/pipelines/v2_importers/project_kb_statements_importer.py

@@ -0,0 +1,176 @@
+#
+# Copyright (c) nexB Inc. and others. All rights reserved.
+# VulnerableCode is a trademark of nexB Inc.
+# SPDX-License-Identifier: Apache-2.0
+# See http://www.apache.org/licenses/LICENSE-2.0 for the license text.
+# See https://github.com/aboutcode-org/vulnerablecode for support or download.
+# See https://aboutcode.org for more information about nexB OSS projects.
+#
+from collections import defaultdict
+from pathlib import Path
+from typing import Iterable
+
+import saneyaml
+from fetchcode.vcs import fetch_via_vcs
+from packageurl import PackageURL
+from univers.version_range import RANGE_CLASS_BY_SCHEMES
+from univers.versions import InvalidVersion
+
+from vulnerabilities.importer import AdvisoryData
+from vulnerabilities.importer import AffectedPackageV2
+from vulnerabilities.importer import ReferenceV2
+from vulnerabilities.pipelines import VulnerableCodeBaseImporterPipelineV2
+from vulnerabilities.pipes.advisory import append_patch_classifications
+from vulnerabilities.utils import get_advisory_url
+from vulnerabilities.utils import is_commit
+
+
+class ProjectKBStatementsPipeline(VulnerableCodeBaseImporterPipelineV2):
+    """
+    ProjectKB Importer Pipeline
+    Collect advisory from ProjectKB data:
+    - YAML statements: https://github.com/SAP/project-kb/blob/vulnerability-data/statements/*/*.yaml
+    """
+
+    pipeline_id = "project-kb-statements_v2"
+    spdx_license_expression = "Apache-2.0"
+    license_url = "https://github.com/SAP/project-kb/blob/main/LICENSE.txt"
+    repo_url = "git+https://github.com/SAP/project-kb@vulnerability-data"
+
+    @classmethod
+    def steps(cls):
+        return (cls.clone_repo, cls.collect_and_store_advisories, cls.clean_downloads)
+
+    def clone_repo(self):
+        self.log("Cloning ProjectKB Statements advisory data...")
+        self.vcs_response = fetch_via_vcs(self.repo_url)
+
+    def advisories_count(self):
+        base_path = Path(self.vcs_response.dest_dir) / "statements"
+        count = sum(1 for _ in base_path.rglob("*.yaml"))
+        self.log(f"Estimated advisories to process: {count}")
+        return count
+
+    def collect_advisories(self) -> Iterable[AdvisoryData]:
+        self.log("Collecting fix commits from YAML statements under /statements....")
+        base_path = Path(self.vcs_response.dest_dir) / "statements"
+
+        for yaml_file in base_path.rglob("*.yaml"):
+            if yaml_file.name != "statement.yaml":
+                continue
+
+            with open(yaml_file, encoding="utf-8") as f:
+                yaml_data = saneyaml.load(f)
+
+            vulnerability_id = yaml_data.get("vulnerability_id")
+            if not vulnerability_id:
+                continue
+
+            note_texts = []
+            references = []
+            for note_entry in yaml_data.get("notes", []):
+                text_content = note_entry.get("text")
+                if not text_content:
+                    continue
+                note_texts.append(text_content)
+
+                for link in note_entry.get("links", []):
+                    ref = ReferenceV2(url=link)
+                    references.append(ref)
+
+            description = "\n".join(note_texts)
+            affected_packages = []
+            patches = []
+            for fix in yaml_data.get("fixes", []):
+                for commit in fix.get("commits", []):
+                    commit_hash = commit.get("id")
+                    if not is_commit(commit_hash):
+                        commit_hash = None
+
+                    vcs_url = commit.get("repository")
+                    append_patch_classifications(
+                        url=vcs_url,
+                        commit_hash=commit_hash,
+                        patch_text=None,
+                        affected_packages=affected_packages,
+                        references=references,
+                        patches=patches,
+                    )
+
+            purls_to_versions = defaultdict(lambda: [[], []])
+            for artifact in yaml_data.get("artifacts", []):
+                affected = artifact.get("affected")
+                purl_str = artifact.get("id")
+
+                try:
+                    purl = PackageURL.from_string(purl_str)
+                except ValueError:
+                    self.log(f"Invalid PackageURL: {purl_str!r}")
+                    continue
+
+                version_range_class = RANGE_CLASS_BY_SCHEMES.get(purl.type)
+                if not version_range_class:
+                    continue
+
+                base_purl = PackageURL(
+                    type=purl.type,
+                    namespace=purl.namespace,
+                    name=purl.name,
+                )
+
+                if affected:
+                    purls_to_versions[base_purl][0].append(purl.version)
+                else:
+                    purls_to_versions[base_purl][1].append(purl.version)
+
+            for base_purl, (affected_versions, fixed_versions) in purls_to_versions.items():
+                version_range_class = RANGE_CLASS_BY_SCHEMES.get(base_purl.type)
+
+                affected_range = None
+                fixed_range = None
+
+                if affected_versions:
+                    try:
+                        affected_range = version_range_class.from_versions(affected_versions)
+                    except InvalidVersion as e:
+                        self.log(f"Invalid affected versions for {base_purl}: {e}")
+
+                if fixed_versions:
+                    try:
+                        fixed_range = version_range_class.from_versions(fixed_versions)
+                    except InvalidVersion as e:
+                        self.log(f"Invalid fixed versions for {base_purl}: {e}")
+
+                if affected_range or fixed_range:
+                    pkg = AffectedPackageV2(
+                        package=base_purl,
+                        affected_version_range=affected_range,
+                        fixed_version_range=fixed_range,
+                    )
+                    affected_packages.append(pkg)
+
+            advisory_url = get_advisory_url(
+                file=yaml_file,
+                base_path=base_path,
+                url="https://github.com/SAP/project-kb/blob/vulnerability-data/statements/",
+            )
+
+            yield AdvisoryData(
+                advisory_id=vulnerability_id,
+                summary=description,
+                affected_packages=affected_packages,
+                references_v2=references,
+                patches=patches,
+                url=advisory_url,
+            )
+
+    def clean_downloads(self):
+        """Remove the cloned repository from disk."""
+        self.log("Removing cloned repository...")
+
+        if self.vcs_response:
+            self.vcs_response.delete()
+
+    def on_failure(self):
+        """Ensure cleanup happens on pipeline failure."""
+        self.clean_downloads()

vulnerabilities/pipes/advisory.py

@@ -25,6 +25,7 @@
 
 from aboutcode.hashid import get_core_purl
 from vulnerabilities.importer import AdvisoryData
+from vulnerabilities.importer import AffectedPackageV2
 from vulnerabilities.importer import PackageCommitPatchData
 from vulnerabilities.importer import PatchData
 from vulnerabilities.importer import ReferenceV2
@@ -500,3 +501,27 @@ def advisories_checksum(advisories: Union[Advisory, List[Advisory]]) -> str:
 
     checksum = hashlib.sha1(combined_contents.encode())
     return checksum.hexdigest()
+
+
+def append_patch_classifications(
+    url, commit_hash, patch_text, affected_packages, patches, references
+):
+    """Classify a patch source and append the results to affected_packages, patches, or references,
+    assuming all provided commits are fixed commits."""
+
+    base_purl, patch_objs = classify_patch_source(
+        url=url, commit_hash=commit_hash, patch_text=patch_text
+    )
+
+    for patch_obj in patch_objs:
+        if isinstance(patch_obj, PackageCommitPatchData):
+            fixed_commit = patch_obj
+            affected_package = AffectedPackageV2(
+                package=base_purl,
+                fixed_by_commit_patches=[fixed_commit],
+            )
+            affected_packages.append(affected_package)
+        elif isinstance(patch_obj, PatchData):
+            patches.append(patch_obj)
+        elif isinstance(patch_obj, ReferenceV2):
+            references.append(patch_obj)