cve-check: add CVSS vector string to CVE database and reports

This allows building detailed vulnerability analysis tools without
relying on external resources.

(From OE-Core rev: 587ae7bc85fc471d927308d866821d463799023d)

Signed-off-by: Antoine Lubineau <antoine.lubineau@easymile.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 048ff0ad927f4d37cc5547ebeba9e0c221687ea6)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/classes/cve-check.bbclass

@@ -32,7 +32,7 @@ CVE_PRODUCT ??= "${BPN}"
 CVE_VERSION ??= "${PV}"
 
 CVE_CHECK_DB_DIR ?= "${DL_DIR}/CVE_CHECK"
-CVE_CHECK_DB_FILE ?= "${CVE_CHECK_DB_DIR}/nvdcve_2.db"
+CVE_CHECK_DB_FILE ?= "${CVE_CHECK_DB_DIR}/nvdcve_2-1.db"
 CVE_CHECK_DB_FILE_LOCK ?= "${CVE_CHECK_DB_FILE}.lock"
 
 CVE_CHECK_LOG ?= "${T}/cve.log"
@@ -403,6 +403,7 @@ def get_cve_info(d, cves):
             cve_data[row[0]]["scorev3"] = row[3]
             cve_data[row[0]]["modified"] = row[4]
             cve_data[row[0]]["vector"] = row[5]
+            cve_data[row[0]]["vectorString"] = row[6]
         cursor.close()
     conn.close()
     return cve_data
@@ -459,6 +460,7 @@ def cve_write_data_text(d, patched, unpatched, ignored, cve_data):
         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 += "VECTORSTRING: %s\n" % cve_data[cve]["vectorString"]
         write_string += "MORE INFORMATION: %s%s\n\n" % (nvd_link, cve)
 
     if unpatched_cves and d.getVar("CVE_CHECK_SHOW_WARNINGS") == "1":
@@ -573,6 +575,7 @@ def cve_write_data_json(d, patched, unpatched, ignored, cve_data, cve_status):
             "scorev2" : cve_data[cve]["scorev2"],
             "scorev3" : cve_data[cve]["scorev3"],
             "vector" : cve_data[cve]["vector"],
+            "vectorString" : cve_data[cve]["vectorString"],
             "status" : status,
             "link": issue_link
         }

meta/recipes-core/meta/cve-update-nvd2-native.bb

@@ -225,7 +225,7 @@ def initialize_db(conn):
         c.execute("CREATE TABLE IF NOT EXISTS META (YEAR INTEGER UNIQUE, DATE TEXT)")
 
         c.execute("CREATE TABLE IF NOT EXISTS NVD (ID TEXT UNIQUE, SUMMARY TEXT, \
-            SCOREV2 TEXT, SCOREV3 TEXT, MODIFIED INTEGER, VECTOR TEXT)")
+            SCOREV2 TEXT, SCOREV3 TEXT, MODIFIED INTEGER, VECTOR TEXT, VECTORSTRING TEXT)")
 
         c.execute("CREATE TABLE IF NOT EXISTS PRODUCTS (ID TEXT, \
             VENDOR TEXT, PRODUCT TEXT, VERSION_START TEXT, OPERATOR_START TEXT, \
@@ -299,6 +299,7 @@ def update_db(conn, elt):
     """
 
     accessVector = None
+    vectorString = None
     cveId = elt['cve']['id']
     if elt['cve']['vulnStatus'] ==  "Rejected":
         return
@@ -309,25 +310,29 @@ def update_db(conn, elt):
     date = elt['cve']['lastModified']
     try:
         accessVector = elt['cve']['metrics']['cvssMetricV2'][0]['cvssData']['accessVector']
+        vectorString = elt['cve']['metrics']['cvssMetricV2'][0]['cvssData']['vectorString']
         cvssv2 = elt['cve']['metrics']['cvssMetricV2'][0]['cvssData']['baseScore']
     except KeyError:
         cvssv2 = 0.0
     cvssv3 = None
     try:
         accessVector = accessVector or elt['cve']['metrics']['cvssMetricV30'][0]['cvssData']['attackVector']
+        vectorString = vectorString or elt['cve']['metrics']['cvssMetricV30'][0]['cvssData']['vectorString']
         cvssv3 = elt['cve']['metrics']['cvssMetricV30'][0]['cvssData']['baseScore']
     except KeyError:
         pass
     try:
         accessVector = accessVector or elt['cve']['metrics']['cvssMetricV31'][0]['cvssData']['attackVector']
+        vectorString = vectorString or elt['cve']['metrics']['cvssMetricV31'][0]['cvssData']['vectorString']
         cvssv3 = cvssv3 or elt['cve']['metrics']['cvssMetricV31'][0]['cvssData']['baseScore']
     except KeyError:
         pass
     accessVector = accessVector or "UNKNOWN"
+    vectorString = vectorString or "UNKNOWN"
     cvssv3 = cvssv3 or 0.0
 
-    conn.execute("insert or replace into NVD values (?, ?, ?, ?, ?, ?)",
+    conn.execute("insert or replace into NVD values (?, ?, ?, ?, ?, ?, ?)",
-                [cveId, cveDesc, cvssv2, cvssv3, date, accessVector]).close()
+                [cveId, cveDesc, cvssv2, cvssv3, date, accessVector, vectorString]).close()
 
     try:
         for config in elt['cve']['configurations']: