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#!/usr/bin/env python3
#
# Copyright (c) 2018 by Cisco Systems, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
""" Generate CVE report for the given CVE manifest
"""
import sys
import textwrap
import argparse
import logging
import logging.config
import cvert
def report_foss():
"""Generate CVE report"""
parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
description=textwrap.dedent("""
Generate CVE report for the given CVE manifest.
"""),
epilog=textwrap.dedent("""
@ run examples:
# Download (update) NVD feeds in "nvdfeed" directory
# and prepare the report for the "cve-manifest" file
%% %(prog)s --feed-dir nvdfeed --output report-foss.txt cve-manifest
# Use existed NVD feeds in "nvdfeed" directory
# and prepare the report for the "cve-manifest" file
%% %(prog)s --offline --feed-dir nvdfeed --output report-foss.txt cve-manifest
# (faster) Restore CVE dump from "cvedump" (must exist)
# and prepare the report for the "cve-manifest" file
%% %(prog)s --restore cvedump --output report-foss.txt cve-manifest
# Restore CVE dump from "cvedump" (must exist)
# and prepare the extended report for the "cve-manifest" file
%% %(prog)s --restore cvedump --show-description --show-reference --output report-foss.txt cve-manifest
@ manifest example:
bash,4.2,CVE-2014-7187
python,2.7.35,
python,3.5.5,CVE-2017-17522 CVE-2018-1061
@ report example output:
. patched | 10.0 | CVE-2014-7187 | bash | 4.2
. patched | 7.5 | CVE-2018-1061 | python | 3.5.5
. patched | 8.8 | CVE-2017-17522 | python | 3.5.5
unpatched | 10.0 | CVE-2014-6271 | bash | 4.2
unpatched | 10.0 | CVE-2014-6277 | bash | 4.2
unpatched | 10.0 | CVE-2014-6278 | bash | 4.2
unpatched | 10.0 | CVE-2014-7169 | bash | 4.2
unpatched | 10.0 | CVE-2014-7186 | bash | 4.2
unpatched | 4.6 | CVE-2012-3410 | bash | 4.2
unpatched | 8.4 | CVE-2016-7543 | bash | 4.2
unpatched | 5.0 | CVE-2010-3492 | python | 2.7.35
unpatched | 5.3 | CVE-2016-1494 | python | 2.7.35
unpatched | 6.5 | CVE-2017-18207 | python | 3.5.5
unpatched | 6.5 | CVE-2017-18207 | python | 2.7.35
unpatched | 7.1 | CVE-2013-7338 | python | 2.7.35
unpatched | 7.5 | CVE-2018-1060 | python | 3.5.5
unpatched | 8.8 | CVE-2017-17522 | python | 2.7.35
"""))
group = parser.add_mutually_exclusive_group(required=True)
group.add_argument("-f", "--feed-dir", help="feeds directory")
group.add_argument("-d", "--restore", help="load CVE data structures from file",
metavar="FILENAME")
parser.add_argument("--offline", help="do not update from NVD site",
action="store_true")
parser.add_argument("-o", "--output", help="save report to the file")
parser.add_argument("--show-description", help='show "Description" in the report',
action="store_true")
parser.add_argument("--show-reference", help='show "Reference" in the report',
action="store_true")
parser.add_argument("--debug", help="print debug messages",
action="store_true")
parser.add_argument("cve_manifest", help="file with a list of packages, "
"each line contains three comma separated values: name, "
"version and a space separated list of patched CVEs, "
"e.g.: python,3.5.5,CVE-2017-17522 CVE-2018-1061",
metavar="cve-manifest")
args = parser.parse_args()
logging.config.dictConfig(cvert.logconfig(args.debug))
cve_manifest = {}
with open(args.cve_manifest, "r") as fil:
for lin in fil:
lin = lin.rstrip()
# skip empty lines
if not lin:
continue
product, version, patched = lin.split(",", maxsplit=3)
if product in cve_manifest:
cve_manifest[product][version] = patched.split()
else:
cve_manifest[product] = {
version: patched.split()
}
if args.restore:
cve_struct = cvert.load_cve(args.restore)
elif args.feed_dir:
cve_struct = cvert.update_feeds(args.feed_dir, args.offline)
if not cve_struct and args.offline:
parser.error("No CVEs found. Try to turn off offline mode or use other file to restore.")
if args.output:
output = open(args.output, "w")
else:
output = sys.stdout
report = cvert.generate_report(cve_manifest, cve_struct)
cvert.print_report(report,
show_description=args.show_description,
show_reference=args.show_reference,
output=output)
if args.output:
output.close()
if __name__ == "__main__":
report_foss()
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