1 files changed, 371 insertions, 204 deletions

diff --git a/meta/classes/cve-check.bbclass b/meta/classes/cve-check.bbclass
index 112ee3379d..c63ebd56e1 100644
--- a/meta/classes/cve-check.bbclass
+++ b/meta/classes/cve-check.bbclass
@@ -1,3 +1,9 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+
 # This class is used to check recipes against public CVEs.
 #
 # In order to use this class just inherit the class in the
@@ -20,71 +26,132 @@
 # the only method to check against CVEs. Running this tool
 # doesn't guarantee your packages are free of CVEs.
 
-# The product name that the CVE database uses.  Defaults to BPN, but may need to
+# The product name that the CVE database uses defaults to BPN, but may need to
 # be overriden per recipe (for example tiff.bb sets CVE_PRODUCT=libtiff).
 CVE_PRODUCT ??= "${BPN}"
 CVE_VERSION ??= "${PV}"
 
-CVE_CHECK_DB_DIR ?= "${DL_DIR}/CVE_CHECK"
-CVE_CHECK_DB_FILE ?= "${CVE_CHECK_DB_DIR}/nvdcve_1.1.db"
+# Possible database sources: NVD1, NVD2, FKIE
+NVD_DB_VERSION ?= "FKIE"
+
+# Use different file names for each database source, as they synchronize at different moments, so may be slightly different
+CVE_CHECK_DB_FILENAME ?= "${@'nvdcve_2-2.db' if d.getVar('NVD_DB_VERSION') == 'NVD2' else 'nvdcve_1-3.db' if d.getVar('NVD_DB_VERSION') == 'NVD1' else 'nvdfkie_1-1.db'}"
+CVE_CHECK_DB_FETCHER ?= "${@'cve-update-nvd2-native' if d.getVar('NVD_DB_VERSION') == 'NVD2' else 'cve-update-db-native'}"
+CVE_CHECK_DB_DIR ?= "${STAGING_DIR}/CVE_CHECK"
+CVE_CHECK_DB_FILE ?= "${CVE_CHECK_DB_DIR}/${CVE_CHECK_DB_FILENAME}"
 CVE_CHECK_DB_FILE_LOCK ?= "${CVE_CHECK_DB_FILE}.lock"
 
-CVE_CHECK_LOG ?= "${T}/cve.log"
-CVE_CHECK_TMP_FILE ?= "${TMPDIR}/cve_check"
 CVE_CHECK_SUMMARY_DIR ?= "${LOG_DIR}/cve"
 CVE_CHECK_SUMMARY_FILE_NAME ?= "cve-summary"
-CVE_CHECK_SUMMARY_FILE ?= "${CVE_CHECK_SUMMARY_DIR}/${CVE_CHECK_SUMMARY_FILE_NAME}"
+CVE_CHECK_SUMMARY_FILE_NAME_JSON = "cve-summary.json"
+CVE_CHECK_SUMMARY_INDEX_PATH = "${CVE_CHECK_SUMMARY_DIR}/cve-summary-index.txt"
+
+CVE_CHECK_LOG_JSON ?= "${T}/cve.json"
 
 CVE_CHECK_DIR ??= "${DEPLOY_DIR}/cve"
-CVE_CHECK_RECIPE_FILE ?= "${CVE_CHECK_DIR}/${PN}"
-CVE_CHECK_MANIFEST ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}${IMAGE_NAME_SUFFIX}.cve"
+CVE_CHECK_RECIPE_FILE_JSON ?= "${CVE_CHECK_DIR}/${PN}_cve.json"
+CVE_CHECK_MANIFEST_JSON_SUFFIX ?= "json"
+CVE_CHECK_MANIFEST_JSON ?= "${IMGDEPLOYDIR}/${IMAGE_NAME}.${CVE_CHECK_MANIFEST_JSON_SUFFIX}"
 CVE_CHECK_COPY_FILES ??= "1"
 CVE_CHECK_CREATE_MANIFEST ??= "1"
 
+# Report Patched or Ignored CVEs
 CVE_CHECK_REPORT_PATCHED ??= "1"
 
-# Whitelist for packages (PN)
-CVE_CHECK_PN_WHITELIST ?= ""
+CVE_CHECK_SHOW_WARNINGS ??= "1"
+
+# Provide JSON output
+CVE_CHECK_FORMAT_JSON ??= "1"
+
+# Check for packages without CVEs (no issues or missing product name)
+CVE_CHECK_COVERAGE ??= "1"
+
+# Skip CVE Check for packages (PN)
+CVE_CHECK_SKIP_RECIPE ?= ""
 
-# Whitelist for CVE. If a CVE is found, then it is considered patched.
-# The value is a string containing space separated CVE values:
+# Replace NVD DB check status for a given CVE. Each of CVE has to be mentioned
+# separately with optional detail and description for this status.
 #
-# CVE_CHECK_WHITELIST = 'CVE-2014-2524 CVE-2018-1234'
+# CVE_STATUS[CVE-1234-0001] = "not-applicable-platform: Issue only applies on Windows"
+# CVE_STATUS[CVE-1234-0002] = "fixed-version: Fixed externally"
 #
-CVE_CHECK_WHITELIST ?= ""
+# Settings the same status and reason for multiple CVEs is possible
+# via CVE_STATUS_GROUPS variable.
+#
+# CVE_STATUS_GROUPS = "CVE_STATUS_WIN CVE_STATUS_PATCHED"
+#
+# CVE_STATUS_WIN = "CVE-1234-0001 CVE-1234-0003"
+# CVE_STATUS_WIN[status] = "not-applicable-platform: Issue only applies on Windows"
+# CVE_STATUS_PATCHED = "CVE-1234-0002 CVE-1234-0004"
+# CVE_STATUS_PATCHED[status] = "fixed-version: Fixed externally"
+#
+# All possible CVE statuses could be found in cve-check-map.conf
+# CVE_CHECK_STATUSMAP[not-applicable-platform] = "Ignored"
+# CVE_CHECK_STATUSMAP[fixed-version] = "Patched"
+#
+# CVE_CHECK_IGNORE is deprecated and CVE_STATUS has to be used instead.
+# Keep CVE_CHECK_IGNORE until other layers migrate to new variables
+CVE_CHECK_IGNORE ?= ""
 
 # Layers to be excluded
 CVE_CHECK_LAYER_EXCLUDELIST ??= ""
 
-# Layers to be included 
+# Layers to be included
 CVE_CHECK_LAYER_INCLUDELIST ??= ""
 
 
-# set to "alphabetical" for version using single alphabetical character as increament release
+# set to "alphabetical" for version using single alphabetical character as increment release
 CVE_VERSION_SUFFIX ??= ""
 
+python () {
+    from oe.cve_check import extend_cve_status
+    extend_cve_status(d)
+
+    nvd_database_type = d.getVar("NVD_DB_VERSION")
+    if nvd_database_type not in ("NVD1", "NVD2", "FKIE"):
+        bb.erroronce("Malformed NVD_DB_VERSION, must be one of: NVD1, NVD2, FKIE. Defaulting to NVD2")
+        d.setVar("NVD_DB_VERSION", "NVD2")
+}
+
+def generate_json_report(d, out_path, link_path):
+    if os.path.exists(d.getVar("CVE_CHECK_SUMMARY_INDEX_PATH")):
+        import json
+        from oe.cve_check import cve_check_merge_jsons, update_symlinks
+
+        bb.note("Generating JSON CVE summary")
+        index_file = d.getVar("CVE_CHECK_SUMMARY_INDEX_PATH")
+        summary = {"version":"1", "package": []}
+        with open(index_file) as f:
+            filename = f.readline()
+            while filename:
+                with open(filename.rstrip()) as j:
+                    data = json.load(j)
+                    cve_check_merge_jsons(summary, data)
+                filename = f.readline()
+
+        summary["package"].sort(key=lambda d: d['name'])
+
+        with open(out_path, "w") as f:
+            json.dump(summary, f, indent=2)
+
+        update_symlinks(out_path, link_path)
+
 python cve_save_summary_handler () {
     import shutil
     import datetime
-
-    cve_tmp_file = d.getVar("CVE_CHECK_TMP_FILE")
+    from oe.cve_check import update_symlinks
 
     cve_summary_name = d.getVar("CVE_CHECK_SUMMARY_FILE_NAME")
     cvelogpath = d.getVar("CVE_CHECK_SUMMARY_DIR")
     bb.utils.mkdirhier(cvelogpath)
 
     timestamp = datetime.datetime.now().strftime('%Y%m%d%H%M%S')
-    cve_summary_file = os.path.join(cvelogpath, "%s-%s.txt" % (cve_summary_name, timestamp))
 
-    if os.path.exists(cve_tmp_file):
-        shutil.copyfile(cve_tmp_file, cve_summary_file)
-
-        if cve_summary_file and os.path.exists(cve_summary_file):
-            cvefile_link = os.path.join(cvelogpath, cve_summary_name)
-
-            if os.path.exists(os.path.realpath(cvefile_link)):
-                os.remove(cvefile_link)
-            os.symlink(os.path.basename(cve_summary_file), cvefile_link)
+    if d.getVar("CVE_CHECK_FORMAT_JSON") == "1":
+        json_summary_link_name = os.path.join(cvelogpath, d.getVar("CVE_CHECK_SUMMARY_FILE_NAME_JSON"))
+        json_summary_name = os.path.join(cvelogpath, "%s-%s.json" % (cve_summary_name, timestamp))
+        generate_json_report(d, json_summary_name, json_summary_link_name)
+        bb.plain("Complete CVE JSON report summary created at: %s" % json_summary_link_name)
 }
 
 addhandler cve_save_summary_handler
@@ -94,34 +161,36 @@ python do_cve_check () {
     """
     Check recipe for patched and unpatched CVEs
     """
+    from oe.cve_check import get_patched_cves
 
-    if os.path.exists(d.getVar("CVE_CHECK_DB_FILE")):
-        try:
-            patched_cves = get_patches_cves(d)
-        except FileNotFoundError:
-            bb.fatal("Failure in searching patches")
-        whitelisted, patched, unpatched = check_cves(d, patched_cves)
-        if patched or unpatched:
-            cve_data = get_cve_info(d, patched + unpatched)
-            cve_write_data(d, patched, unpatched, whitelisted, cve_data)
-    else:
-        bb.note("No CVE database found, skipping CVE check")
+    with bb.utils.fileslocked([d.getVar("CVE_CHECK_DB_FILE_LOCK")], shared=True):
+        if os.path.exists(d.getVar("CVE_CHECK_DB_FILE")):
+            try:
+                patched_cves = get_patched_cves(d)
+            except FileNotFoundError:
+                bb.fatal("Failure in searching patches")
+            cve_data, status = check_cves(d, patched_cves)
+            if len(cve_data) or (d.getVar("CVE_CHECK_COVERAGE") == "1" and status):
+                get_cve_info(d, cve_data)
+                cve_write_data(d, cve_data, status)
+        else:
+            bb.note("No CVE database found, skipping CVE check")
 
 }
 
-addtask cve_check before do_build after do_fetch
-do_cve_check[depends] = "cve-update-db-native:do_fetch"
+addtask cve_check before do_build
+do_cve_check[depends] = "${CVE_CHECK_DB_FETCHER}:do_unpack"
 do_cve_check[nostamp] = "1"
 
 python cve_check_cleanup () {
     """
     Delete the file used to gather all the CVE information.
     """
-    bb.utils.remove(e.data.getVar("CVE_CHECK_TMP_FILE"))
+    bb.utils.remove(e.data.getVar("CVE_CHECK_SUMMARY_INDEX_PATH"))
 }
 
 addhandler cve_check_cleanup
-cve_check_cleanup[eventmask] = "bb.cooker.CookerExit"
+cve_check_cleanup[eventmask] = "bb.event.BuildCompleted"
 
 python cve_check_write_rootfs_manifest () {
     """
@@ -129,116 +198,132 @@ python cve_check_write_rootfs_manifest () {
     """
 
     import shutil
+    import json
+    from oe.rootfs import image_list_installed_packages
+    from oe.cve_check import cve_check_merge_jsons, update_symlinks
 
     if d.getVar("CVE_CHECK_COPY_FILES") == "1":
-        deploy_file = d.getVar("CVE_CHECK_RECIPE_FILE")
-        if os.path.exists(deploy_file):
-            bb.utils.remove(deploy_file)
-
-    if os.path.exists(d.getVar("CVE_CHECK_TMP_FILE")):
-        bb.note("Writing rootfs CVE manifest")
-        deploy_dir = d.getVar("DEPLOY_DIR_IMAGE")
-        link_name = d.getVar("IMAGE_LINK_NAME")
-        manifest_name = d.getVar("CVE_CHECK_MANIFEST")
-        cve_tmp_file = d.getVar("CVE_CHECK_TMP_FILE")
-
-        shutil.copyfile(cve_tmp_file, manifest_name)
-
-        if manifest_name and os.path.exists(manifest_name):
-            manifest_link = os.path.join(deploy_dir, "%s.cve" % link_name)
-            # If we already have another manifest, update symlinks
-            if os.path.exists(os.path.realpath(manifest_link)):
-                os.remove(manifest_link)
-            os.symlink(os.path.basename(manifest_name), manifest_link)
-            bb.plain("Image CVE report stored in: %s" % manifest_name)
+        deploy_file_json = d.getVar("CVE_CHECK_RECIPE_FILE_JSON")
+        if os.path.exists(deploy_file_json):
+            bb.utils.remove(deploy_file_json)
+
+    # Create a list of relevant recipies
+    recipies = set()
+    for pkg in list(image_list_installed_packages(d)):
+        pkg_info = os.path.join(d.getVar('PKGDATA_DIR'),
+                                'runtime-reverse', pkg)
+        pkg_data = oe.packagedata.read_pkgdatafile(pkg_info)
+        recipies.add(pkg_data["PN"])
+
+    bb.note("Writing rootfs CVE manifest")
+    deploy_dir = d.getVar("IMGDEPLOYDIR")
+    link_name = d.getVar("IMAGE_LINK_NAME")
+
+    json_data = {"version":"1", "package": []}
+    text_data = ""
+    enable_json = d.getVar("CVE_CHECK_FORMAT_JSON") == "1"
+
+    save_pn = d.getVar("PN")
+
+    for pkg in recipies:
+        # To be able to use the CVE_CHECK_RECIPE_FILE_JSON variable we have to evaluate
+        # it with the different PN names set each time.
+        d.setVar("PN", pkg)
+
+        if enable_json:
+            pkgfilepath = d.getVar("CVE_CHECK_RECIPE_FILE_JSON")
+            if os.path.exists(pkgfilepath):
+                with open(pkgfilepath) as j:
+                    data = json.load(j)
+                    cve_check_merge_jsons(json_data, data)
+
+    d.setVar("PN", save_pn)
+
+    if enable_json:
+        manifest_name_suffix = d.getVar("CVE_CHECK_MANIFEST_JSON_SUFFIX")
+        manifest_name = d.getVar("CVE_CHECK_MANIFEST_JSON")
+
+        with open(manifest_name, "w") as f:
+            json.dump(json_data, f, indent=2)
+
+        if link_name:
+            link_path = os.path.join(deploy_dir, "%s.%s" % (link_name, manifest_name_suffix))
+            update_symlinks(manifest_name, link_path)
+
+        bb.plain("Image CVE JSON report stored in: %s" % manifest_name)
 }
 
-ROOTFS_POSTPROCESS_COMMAND_prepend = "${@'cve_check_write_rootfs_manifest; ' if d.getVar('CVE_CHECK_CREATE_MANIFEST') == '1' else ''}"
+ROOTFS_POSTPROCESS_COMMAND:prepend = "${@'cve_check_write_rootfs_manifest ' if d.getVar('CVE_CHECK_CREATE_MANIFEST') == '1' else ''}"
 do_rootfs[recrdeptask] += "${@'do_cve_check' if d.getVar('CVE_CHECK_CREATE_MANIFEST') == '1' else ''}"
+do_populate_sdk[recrdeptask] += "${@'do_cve_check' if d.getVar('CVE_CHECK_CREATE_MANIFEST') == '1' else ''}"
+
+def cve_is_ignored(d, cve_data, cve):
+    if cve not in cve_data:
+        return False
+    if cve_data[cve]['abbrev-status'] == "Ignored":
+        return True
+    return False
+
+def cve_is_patched(d, cve_data, cve):
+    if cve not in cve_data:
+        return False
+    if cve_data[cve]['abbrev-status'] == "Patched":
+        return True
+    return False
+
+def cve_update(d, cve_data, cve, entry):
+    # If no entry, just add it
+    if cve not in cve_data:
+        cve_data[cve] = entry
+        return
+    # If we are updating, there might be change in the status
+    bb.debug(1, "Trying CVE entry update for %s from %s to %s" % (cve, cve_data[cve]['abbrev-status'], entry['abbrev-status']))
+    if cve_data[cve]['abbrev-status'] == "Unknown":
+        cve_data[cve] = entry
+        return
+    if cve_data[cve]['abbrev-status'] == entry['abbrev-status']:
+        return
+    # Update like in {'abbrev-status': 'Patched', 'status': 'version-not-in-range'} to {'abbrev-status': 'Unpatched', 'status': 'version-in-range'}
+    if entry['abbrev-status'] == "Unpatched" and cve_data[cve]['abbrev-status'] == "Patched":
+        if entry['status'] == "version-in-range" and cve_data[cve]['status'] == "version-not-in-range":
+            # New result from the scan, vulnerable
+            cve_data[cve] = entry
+            bb.debug(1, "CVE entry %s update from Patched to Unpatched from the scan result" % cve)
+            return
+    if entry['abbrev-status'] == "Patched" and cve_data[cve]['abbrev-status'] == "Unpatched":
+        if entry['status'] == "version-not-in-range" and cve_data[cve]['status'] == "version-in-range":
+            # Range does not match the scan, but we already have a vulnerable match, ignore
+            bb.debug(1, "CVE entry %s update from Patched to Unpatched from the scan result - not applying" % cve)
+            return
+    # If we have an "Ignored", it has a priority
+    if cve_data[cve]['abbrev-status'] == "Ignored":
+        bb.debug(1, "CVE %s not updating because Ignored" % cve)
+        return
+    bb.warn("Unhandled CVE entry update for %s from %s to %s" % (cve, cve_data[cve], entry))
 
-def get_patches_cves(d):
-    """
-    Get patches that solve CVEs using the "CVE: " tag.
-    """
-
-    import re
-
-    pn = d.getVar("PN")
-    cve_match = re.compile("CVE:( CVE\-\d{4}\-\d+)+")
-
-    # Matches last CVE-1234-211432 in the file name, also if written
-    # with small letters. Not supporting multiple CVE id's in a single
-    # file name.
-    cve_file_name_match = re.compile(".*([Cc][Vv][Ee]\-\d{4}\-\d+)")
-
-    patched_cves = set()
-    bb.debug(2, "Looking for patches that solves CVEs for %s" % pn)
-    for url in src_patches(d):
-        patch_file = bb.fetch.decodeurl(url)[2]
-
-        if not os.path.isfile(patch_file):
-            bb.error("File Not found: %s" % patch_file)
-            raise FileNotFoundError
-
-        # Check patch file name for CVE ID
-        fname_match = cve_file_name_match.search(patch_file)
-        if fname_match:
-            cve = fname_match.group(1).upper()
-            patched_cves.add(cve)
-            bb.debug(2, "Found CVE %s from patch file name %s" % (cve, patch_file))
-
-        with open(patch_file, "r", encoding="utf-8") as f:
-            try:
-                patch_text = f.read()
-            except UnicodeDecodeError:
-                bb.debug(1, "Failed to read patch %s using UTF-8 encoding"
-                        " trying with iso8859-1" %  patch_file)
-                f.close()
-                with open(patch_file, "r", encoding="iso8859-1") as f:
-                    patch_text = f.read()
-
-        # Search for one or more "CVE: " lines
-        text_match = False
-        for match in cve_match.finditer(patch_text):
-            # Get only the CVEs without the "CVE: " tag
-            cves = patch_text[match.start()+5:match.end()]
-            for cve in cves.split():
-                bb.debug(2, "Patch %s solves %s" % (patch_file, cve))
-                patched_cves.add(cve)
-                text_match = True
-
-        if not fname_match and not text_match:
-            bb.debug(2, "Patch %s doesn't solve CVEs" % patch_file)
-
-    return patched_cves
-
-def check_cves(d, patched_cves):
+def check_cves(d, cve_data):
     """
     Connect to the NVD database and find unpatched cves.
     """
-    from oe.cve_check import Version
+    from oe.cve_check import Version, convert_cve_version, decode_cve_status
 
     pn = d.getVar("PN")
     real_pv = d.getVar("PV")
     suffix = d.getVar("CVE_VERSION_SUFFIX")
 
-    cves_unpatched = []
+    cves_status = []
+    cves_in_recipe = False
     # CVE_PRODUCT can contain more than one product (eg. curl/libcurl)
     products = d.getVar("CVE_PRODUCT").split()
     # If this has been unset then we're not scanning for CVEs here (for example, image recipes)
     if not products:
-        return ([], [], [])
+        return ([], [])
     pv = d.getVar("CVE_VERSION").split("+git")[0]
 
-    # If the recipe has been whitlisted we return empty lists
-    if pn in d.getVar("CVE_CHECK_PN_WHITELIST").split():
-        bb.note("Recipe has been whitelisted, skipping check")
-        return ([], [], [])
-
-    old_cve_whitelist =  d.getVar("CVE_CHECK_CVE_WHITELIST")
-    if old_cve_whitelist:
-        bb.warn("CVE_CHECK_CVE_WHITELIST is deprecated, please use CVE_CHECK_WHITELIST.")
-    cve_whitelist = d.getVar("CVE_CHECK_WHITELIST").split()
+    # If the recipe has been skipped/ignored we return empty lists
+    if pn in d.getVar("CVE_CHECK_SKIP_RECIPE").split():
+        bb.note("Recipe has been skipped by cve-check")
+        return ([], [])
 
     import sqlite3
     db_file = d.expand("file:${CVE_CHECK_DB_FILE}?mode=ro")
@@ -246,28 +331,42 @@ def check_cves(d, patched_cves):
 
     # For each of the known product names (e.g. curl has CPEs using curl and libcurl)...
     for product in products:
+        cves_in_product = False
         if ":" in product:
             vendor, product = product.split(":", 1)
         else:
             vendor = "%"
 
         # Find all relevant CVE IDs.
-        for cverow in conn.execute("SELECT DISTINCT ID FROM PRODUCTS WHERE PRODUCT IS ? AND VENDOR LIKE ?", (product, vendor)):
+        cve_cursor = conn.execute("SELECT DISTINCT ID FROM PRODUCTS WHERE PRODUCT IS ? AND VENDOR LIKE ?", (product, vendor))
+        for cverow in cve_cursor:
             cve = cverow[0]
 
-            if cve in cve_whitelist:
-                bb.note("%s-%s has been whitelisted for %s" % (product, pv, cve))
-                # TODO: this should be in the report as 'whitelisted'
-                patched_cves.add(cve)
+            # Write status once only for each product
+            if not cves_in_product:
+                cves_status.append([product, True])
+                cves_in_product = True
+                cves_in_recipe = True
+
+            if cve_is_ignored(d, cve_data, cve):
+                bb.note("%s-%s ignores %s" % (product, pv, cve))
                 continue
-            elif cve in patched_cves:
+            elif cve_is_patched(d, cve_data, cve):
                 bb.note("%s has been patched" % (cve))
                 continue
 
             vulnerable = False
-            for row in conn.execute("SELECT * FROM PRODUCTS WHERE ID IS ? AND PRODUCT IS ? AND VENDOR LIKE ?", (cve, product, vendor)):
+            ignored = False
+
+            product_cursor = conn.execute("SELECT * FROM PRODUCTS WHERE ID IS ? AND PRODUCT IS ? AND VENDOR LIKE ?", (cve, product, vendor))
+            for row in product_cursor:
                 (_, _, _, version_start, operator_start, version_end, operator_end) = row
                 #bb.debug(2, "Evaluating row " + str(row))
+                if cve_is_ignored(d, cve_data, cve):
+                    ignored = True
+
+                version_start = convert_cve_version(version_start)
+                version_end = convert_cve_version(version_end)
 
                 if (operator_start == '=' and pv == version_start) or version_start == '-':
                     vulnerable = True
@@ -300,104 +399,172 @@ def check_cves(d, patched_cves):
                         vulnerable = vulnerable_start or vulnerable_end
 
                 if vulnerable:
-                    bb.note("%s-%s is vulnerable to %s" % (pn, real_pv, cve))
-                    cves_unpatched.append(cve)
+                    if ignored:
+                        bb.note("%s is ignored in %s-%s" % (cve, pn, real_pv))
+                        cve_update(d, cve_data, cve, {"abbrev-status": "Ignored"})
+                    else:
+                        bb.note("%s-%s is vulnerable to %s" % (pn, real_pv, cve))
+                        cve_update(d, cve_data, cve, {"abbrev-status": "Unpatched", "status": "version-in-range"})
                     break
+            product_cursor.close()
 
             if not vulnerable:
                 bb.note("%s-%s is not vulnerable to %s" % (pn, real_pv, cve))
-                # TODO: not patched but not vulnerable
-                patched_cves.add(cve)
+                cve_update(d, cve_data, cve, {"abbrev-status": "Patched", "status": "version-not-in-range"})
+        cve_cursor.close()
+
+        if not cves_in_product:
+            bb.note("No CVE records found for product %s, pn %s" % (product, pn))
+            cves_status.append([product, False])
 
     conn.close()
 
-    return (list(cve_whitelist), list(patched_cves), cves_unpatched)
+    if not cves_in_recipe:
+        bb.note("No CVE records for products in recipe %s" % (pn))
+
+    if d.getVar("CVE_CHECK_SHOW_WARNINGS") == "1":
+        unpatched_cves = [cve for cve in cve_data if cve_data[cve]["abbrev-status"] == "Unpatched"]
+        if unpatched_cves:
+            bb.warn("Found unpatched CVE (%s)" % " ".join(unpatched_cves))
 
-def get_cve_info(d, cves):
+    return (cve_data, cves_status)
+
+def get_cve_info(d, cve_data):
     """
     Get CVE information from the database.
     """
 
     import sqlite3
 
-    cve_data = {}
-    conn = sqlite3.connect(d.getVar("CVE_CHECK_DB_FILE"))
-
-    for cve in cves:
-        for row in conn.execute("SELECT * FROM NVD WHERE ID IS ?", (cve,)):
-            cve_data[row[0]] = {}
-            cve_data[row[0]]["summary"] = row[1]
-            cve_data[row[0]]["scorev2"] = row[2]
-            cve_data[row[0]]["scorev3"] = row[3]
-            cve_data[row[0]]["modified"] = row[4]
-            cve_data[row[0]]["vector"] = row[5]
+    db_file = d.expand("file:${CVE_CHECK_DB_FILE}?mode=ro")
+    conn = sqlite3.connect(db_file, uri=True)
 
+    for cve in cve_data:
+        cursor = conn.execute("SELECT * FROM NVD WHERE ID IS ?", (cve,))
+        for row in cursor:
+            # The CVE itdelf has been added already
+            if row[0] not in cve_data:
+                bb.note("CVE record %s not present" % row[0])
+                continue
+            #cve_data[row[0]] = {}
+            cve_data[row[0]]["NVD-summary"] = row[1]
+            cve_data[row[0]]["NVD-scorev2"] = row[2]
+            cve_data[row[0]]["NVD-scorev3"] = row[3]
+            cve_data[row[0]]["NVD-scorev4"] = row[4]
+            cve_data[row[0]]["NVD-modified"] = row[5]
+            cve_data[row[0]]["NVD-vector"] = row[6]
+            cve_data[row[0]]["NVD-vectorString"] = row[7]
+        cursor.close()
     conn.close()
-    return cve_data
 
-def cve_write_data(d, patched, unpatched, whitelisted, cve_data):
+def cve_check_write_json_output(d, output, direct_file, deploy_file, manifest_file):
     """
-    Write CVE information in WORKDIR; and to CVE_CHECK_DIR, and
-    CVE manifest if enabled.
+    Write CVE information in the JSON format: to WORKDIR; and to
+    CVE_CHECK_DIR, if CVE manifest if enabled, write fragment
+    files that will be assembled at the end in cve_check_write_rootfs_manifest.
     """
 
+    import json
+
+    write_string = json.dumps(output, indent=2)
+    with open(direct_file, "w") as f:
+        bb.note("Writing file %s with CVE information" % direct_file)
+        f.write(write_string)
+
+    if d.getVar("CVE_CHECK_COPY_FILES") == "1":
+        bb.utils.mkdirhier(os.path.dirname(deploy_file))
+        with open(deploy_file, "w") as f:
+            f.write(write_string)
+
+    if d.getVar("CVE_CHECK_CREATE_MANIFEST") == "1":
+        cvelogpath = d.getVar("CVE_CHECK_SUMMARY_DIR")
+        index_path = d.getVar("CVE_CHECK_SUMMARY_INDEX_PATH")
+        bb.utils.mkdirhier(cvelogpath)
+        fragment_file = os.path.basename(deploy_file)
+        fragment_path = os.path.join(cvelogpath, fragment_file)
+        with open(fragment_path, "w") as f:
+            f.write(write_string)
+        with open(index_path, "a+") as f:
+            f.write("%s\n" % fragment_path)
+
+def cve_write_data_json(d, cve_data, cve_status):
+    """
+    Prepare CVE data for the JSON format, then write it.
+    """
+
+    output = {"version":"1", "package": []}
+    nvd_link = "https://nvd.nist.gov/vuln/detail/"
 
-    cve_file = d.getVar("CVE_CHECK_LOG")
     fdir_name  = d.getVar("FILE_DIRNAME")
     layer = fdir_name.split("/")[-3]
 
     include_layers = d.getVar("CVE_CHECK_LAYER_INCLUDELIST").split()
     exclude_layers = d.getVar("CVE_CHECK_LAYER_EXCLUDELIST").split()
 
+    report_all = d.getVar("CVE_CHECK_REPORT_PATCHED") == "1"
+
     if exclude_layers and layer in exclude_layers:
         return
 
     if include_layers and layer not in include_layers:
         return
 
-    nvd_link = "https://web.nvd.nist.gov/view/vuln/detail?vulnId="
-    write_string = ""
-    unpatched_cves = []
-    bb.utils.mkdirhier(os.path.dirname(cve_file))
+    product_data = []
+    for s in cve_status:
+        p = {"product": s[0], "cvesInRecord": "Yes"}
+        if s[1] == False:
+            p["cvesInRecord"] = "No"
+        product_data.append(p)
 
-    for cve in sorted(cve_data):
-        is_patched = cve in patched
-        if is_patched and (d.getVar("CVE_CHECK_REPORT_PATCHED") != "1"):
-            continue
-        write_string += "LAYER: %s\n" % layer
-        write_string += "PACKAGE NAME: %s\n" % d.getVar("PN")
-        write_string += "PACKAGE VERSION: %s%s\n" % (d.getVar("EXTENDPE"), d.getVar("PV"))
-        write_string += "CVE: %s\n" % cve
-        if cve in whitelisted:
-            write_string += "CVE STATUS: Whitelisted\n"
-        elif is_patched:
-            write_string += "CVE STATUS: Patched\n"
-        else:
-            unpatched_cves.append(cve)
-            write_string += "CVE STATUS: Unpatched\n"
-        write_string += "CVE SUMMARY: %s\n" % cve_data[cve]["summary"]
-        write_string += "CVSS v2 BASE SCORE: %s\n" % cve_data[cve]["scorev2"]
-        write_string += "CVSS v3 BASE SCORE: %s\n" % cve_data[cve]["scorev3"]
-        write_string += "VECTOR: %s\n" % cve_data[cve]["vector"]
-        write_string += "MORE INFORMATION: %s%s\n\n" % (nvd_link, cve)
-
-    if unpatched_cves:
-        bb.warn("Found unpatched CVE (%s), for more information check %s" % (" ".join(unpatched_cves),cve_file))
-
-    if write_string:
-        with open(cve_file, "w") as f:
-            bb.note("Writing file %s with CVE information" % cve_file)
-            f.write(write_string)
+    package_version = "%s%s" % (d.getVar("EXTENDPE"), d.getVar("PV"))
+    package_data = {
+        "name" : d.getVar("PN"),
+        "layer" : layer,
+        "version" : package_version,
+        "products": product_data
+    }
 
-        if d.getVar("CVE_CHECK_COPY_FILES") == "1":
-            deploy_file = d.getVar("CVE_CHECK_RECIPE_FILE")
-            bb.utils.mkdirhier(os.path.dirname(deploy_file))
-            with open(deploy_file, "w") as f:
-                f.write(write_string)
+    cve_list = []
 
-        if d.getVar("CVE_CHECK_CREATE_MANIFEST") == "1":
-            cvelogpath = d.getVar("CVE_CHECK_SUMMARY_DIR")
-            bb.utils.mkdirhier(cvelogpath)
+    for cve in sorted(cve_data):
+        if not report_all and (cve_data[cve]["abbrev-status"] == "Patched" or cve_data[cve]["abbrev-status"] == "Ignored"):
+            continue
+        issue_link = "%s%s" % (nvd_link, cve)
+
+        cve_item = {
+            "id" : cve,
+            "status" : cve_data[cve]["abbrev-status"],
+            "link": issue_link,
+        }
+        if 'NVD-summary' in cve_data[cve]:
+            cve_item["summary"] = cve_data[cve]["NVD-summary"]
+            cve_item["scorev2"] = cve_data[cve]["NVD-scorev2"]
+            cve_item["scorev3"] = cve_data[cve]["NVD-scorev3"]
+            cve_item["scorev4"] = cve_data[cve]["NVD-scorev4"]
+            cve_item["modified"] = cve_data[cve]["NVD-modified"]
+            cve_item["vector"] = cve_data[cve]["NVD-vector"]
+            cve_item["vectorString"] = cve_data[cve]["NVD-vectorString"]
+        if 'status' in cve_data[cve]:
+            cve_item["detail"] = cve_data[cve]["status"]
+        if 'justification' in cve_data[cve]:
+            cve_item["description"] = cve_data[cve]["justification"]
+        if 'resource' in cve_data[cve]:
+            cve_item["patch-file"] = cve_data[cve]["resource"]
+        cve_list.append(cve_item)
+
+    package_data["issue"] = cve_list
+    output["package"].append(package_data)
+
+    direct_file = d.getVar("CVE_CHECK_LOG_JSON")
+    deploy_file = d.getVar("CVE_CHECK_RECIPE_FILE_JSON")
+    manifest_file = d.getVar("CVE_CHECK_SUMMARY_FILE_NAME_JSON")
+
+    cve_check_write_json_output(d, output, direct_file, deploy_file, manifest_file)
+
+def cve_write_data(d, cve_data, status):
+    """
+    Write CVE data in each enabled format.
+    """
 
-            with open(d.getVar("CVE_CHECK_TMP_FILE"), "a") as f:
-                f.write("%s" % write_string)
+    if d.getVar("CVE_CHECK_FORMAT_JSON") == "1":
+        cve_write_data_json(d, cve_data, status)