cve_policy_filter.py supports CVSSV2 and CVSSV3 vulnerability report generation
Added new files for CVSSv3 scan report generation
Added new files:
new file: cve_policy_filter.py
new file: template_v3.txt
Change-Id: I93978825f973435eb34a0c8e6b3d18e1ac580595
Signed-off-by: Sanjay K Mukherjee <sanjay.k.mukherjee@intel.com>
This commit is contained in:
Sanjay K Mukherjee
parent
bbf8b0402a
commit
8be170ef57
@ -14,6 +14,16 @@ import sys
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import os
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from lp import find_lp_assigned
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cves_valid = []
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cves_to_fix = []
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cves_to_fix_lp = []
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cves_to_track = []
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cves_w_errors = []
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cves_wont_fix = []
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cves_to_omit = []
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cves_report = {}
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def print_html_report(cves_report, title):
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"""
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Print the html report
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@ -22,9 +32,14 @@ def print_html_report(cves_report, title):
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template_loader = jinja2.FileSystemLoader(searchpath="./")
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template_env = jinja2.Environment(loader=template_loader)
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template_file = "template.txt"
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if CVSS_VER == "cvssv3":
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template_file = "template_v3.txt"
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heads = ["cve_id", "status", "cvss3Score", "av", "ac", "ui","a"]
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else:
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template_file = "template.txt"
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heads = ["cve_id", "status", "cvss2Score", "av", "ac", "au", "ai"]
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template = template_env.get_template(template_file)
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heads = ["cve_id", "status", "cvss2Score", "av", "ac", "au", "ai"]
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output_text = template.render(cves_to_fix=cves_report["cves_to_fix"],\
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cves_to_fix_lp=cves_report["cves_to_fix_lp"],\
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cves_to_track=cves_report["cves_to_track"],\
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@ -49,10 +64,16 @@ def print_report(cves_report, title):
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print("\n")
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print(cve["id"])
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print("status : " + cve["status"])
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print("cvss2Score : " + str(cve["cvss2Score"]))
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if CVSS_VER == "cvssv3":
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print("cvss3Score : " + str(cve["cvss3Score"]))
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else:
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print("cvss2Score : " + str(cve["cvss2Score"]))
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print("Attack Vector: " + cve["av"])
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print("Access Complexity : " + cve["ac"])
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print("Authentication: " + cve["au"])
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if CVSS_VER == "cvssv3":
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print("User Interaction: " + cve["ui"])
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else:
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print("Authentication: " + cve["au"])
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print("Availability Impact :" + cve["ai"])
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print("Affected packages:")
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print(cve["affectedpackages"])
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@ -88,8 +109,12 @@ def print_report(cves_report, title):
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print(cve_line)
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print("\nERROR: CVEs that have no cvss2Score or cvss2Vector: %d \n" \
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% (len(cves_report["cves_w_errors"])))
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if CVSS_VER == "cvssv3":
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print("\nERROR: CVEs that have no cvss3Score or cvss3Vector: %d \n" \
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% (len(cves_report["cves_w_errors"])))
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else:
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print("\nERROR: CVEs that have no cvss2Score or cvss2Vector: %d \n" \
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% (len(cves_report["cves_w_errors"])))
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for cve in cves_report["cves_w_errors"]:
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print(cve)
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@ -130,49 +155,112 @@ def get_affectedpackages(data, cve_id):
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allfixed = "unfixed"
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return affectedpackages_list, allfixed
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def main():
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def update_report():
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cves_report["cves_to_fix"] = cves_to_fix
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cves_report["cves_to_fix_lp"] = cves_to_fix_lp
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cves_report["cves_to_track"] = cves_to_track
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cves_report["cves_w_errors"] = cves_w_errors
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cves_report["cves_wont_fix"] = cves_wont_fix
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cves_report["cves_to_omit"] = cves_to_omit
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def cvssv3_pb_alg():
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"""
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main function
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Rules to consider a CVE valid for STX from:
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https://wiki.openstack.org/wiki/StarlingX/Security/CVE_Support_Policy
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Patchback algo for CVSSV3 report
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"""
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data = {}
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cves = []
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cves_valid = []
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cves_to_fix = []
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cves_to_fix_lp = []
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cves_to_track = []
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cves_w_errors = []
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cves_wont_fix = []
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cves_to_omit = []
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cves_report = {}
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for cve in cves_valid:
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if (cve["cvss3Score"] >= 7.8
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and cve["av"] == "N"
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and cve["ac"] == "L"
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and cve["ui"] == "R"
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and cve["ai"] != "N"):
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if cve["status"] == "fixed":
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bug = find_lp_assigned(cve["id"])
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if (bug):
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print(bug["status"])
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if (bug["status"] == "Invalid" or bug["status"] == "Won't Fix"):
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cves_wont_fix.append(cve)
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else:
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cves_to_fix_lp.append(cve)
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else:
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cves_to_fix.append(cve)
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else:
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cves_to_track.append(cve)
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else:
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cves_to_omit.append(cve)
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if len(sys.argv) < 3:
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print("\nERROR : Missing arguments, the expected arguments are:")
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print("\n %s <result.json> <title>\n" % (sys.argv[0]))
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print("\n result.json = json file generated from: vuls report -format-json")
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print("\n")
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sys.exit(0)
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update_report()
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if os.path.isfile(sys.argv[1]):
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results_json = sys.argv[1]
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else:
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print("%s is not a file" % sys.argv[1])
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sys.exit(0)
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title = sys.argv[2]
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def cvssv2_pb_alg():
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"""
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Patchback algo for CVSSV2 report
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"""
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for cve in cves_valid:
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if (cve["cvss2Score"] >= 7.0
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and cve["av"] == "N"
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and cve["ac"] == "L"
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and ("N" in cve["au"] or "S" in cve["au"])
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and ("P" in cve["ai"] or "C" in cve["ai"])):
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if cve["status"] == "fixed":
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bug = find_lp_assigned(cve["id"])
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if (bug):
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print(bug["status"])
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if (bug["status"] == "Invalid" or bug["status"] == "Won't Fix"):
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cves_wont_fix.append(cve)
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else:
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cves_to_fix_lp.append(cve)
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else:
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cves_to_fix.append(cve)
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else:
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cves_to_track.append(cve)
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else:
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cves_to_omit.append(cve)
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try:
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with open(results_json) as json_file:
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data = json.load(json_file)
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except ValueError as error:
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print(error)
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update_report()
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for element in data["scannedCves"]:
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cve = {}
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cve["id"] = str(element.strip())
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cves.append(cve)
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def cvssv3_parse_n_report(cves,title,data):
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"""
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Parse and generate report for CVSSV3
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"""
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for cve in cves:
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cve_id = cve["id"]
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affectedpackages_list = []
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allfixed = "fixed"
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try:
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nvd2_score = data["scannedCves"][cve_id]["cveContents"]["nvd"]["cvss3Score"]
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cvss3vector = data["scannedCves"][cve_id]["cveContents"]["nvd"]["cvss3Vector"]
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except KeyError:
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cves_w_errors.append(cve)
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else:
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cve["cvss3Score"] = nvd2_score
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for element in cvss3vector.split("/"):
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if "AV:" in element:
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_av = element.split(":")[1]
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if "AC:" in element:
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_ac = element.split(":")[1]
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if "A:" in element:
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_ai = element.split(":")[1]
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if "UI:" in element:
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_ui = element.split(":")[1]
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print(cve)
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cve["av"] = str(_av)
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cve["ac"] = str(_ac)
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cve["ai"] = str(_ai)
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cve["ui"] = str(_ui)
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cve["summary"] = get_summary(data, cve_id)
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cve["sourcelink"] = get_source_link(data, cve_id)
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affectedpackages_list, allfixed = get_affectedpackages(data, cve_id)
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cve["affectedpackages"] = affectedpackages_list
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cve["status"] = allfixed
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cves_valid.append(cve)
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cvssv3_pb_alg()
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print_report(cves_report, title)
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print_html_report(cves_report, title)
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def cvssv2_parse_n_report(cves,title,data):
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"""
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Parse and generate report for CVSSV2
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"""
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for cve in cves:
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cve_id = cve["id"]
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affectedpackages_list = []
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@ -203,37 +291,55 @@ def main():
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cve["affectedpackages"] = affectedpackages_list
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cve["status"] = allfixed
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cves_valid.append(cve)
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for cve in cves_valid:
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if (cve["cvss2Score"] >= 7.0
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and cve["av"] == "N"
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and cve["ac"] == "L"
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and ("N" in cve["au"] or "S" in cve["au"])
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and ("P" in cve["ai"] or "C" in cve["ai"])):
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if cve["status"] == "fixed":
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bug = find_lp_assigned(cve["id"])
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if (bug):
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print(bug["status"])
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if (bug["status"] == "Invalid" or bug["status"] == "Won't Fix"):
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cves_wont_fix.append(cve)
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else:
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cves_to_fix_lp.append(cve)
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else:
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cves_to_fix.append(cve)
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else:
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cves_to_track.append(cve)
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else:
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cves_to_omit.append(cve)
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cves_report["cves_to_fix"] = cves_to_fix
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cves_report["cves_to_fix_lp"] = cves_to_fix_lp
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cves_report["cves_to_track"] = cves_to_track
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cves_report["cves_w_errors"] = cves_w_errors
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cves_report["cves_wont_fix"] = cves_wont_fix
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cves_report["cves_to_omit"] = cves_to_omit
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cvssv2_pb_alg()
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print_report(cves_report, title)
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print_html_report(cves_report, title)
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def main():
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"""
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main function
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Rules to consider a CVE valid for STX from:
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https://wiki.openstack.org/wiki/StarlingX/Security/CVE_Support_Policy
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"""
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data = {}
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cves = []
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if len(sys.argv) < 4:
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print("\nERROR : Missing arguments, the expected arguments are:")
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print("\n %s <result.json> <title> [cvssv3|cvssv2]\n" % (sys.argv[0]))
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print("\n result.json = json file generated from: vuls report -format-json")
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print("\n")
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sys.exit(0)
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if os.path.isfile(sys.argv[1]):
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results_json = sys.argv[1]
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else:
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print("%s is not a file" % sys.argv[1])
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sys.exit(0)
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title = sys.argv[2]
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try:
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with open(results_json) as json_file:
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data = json.load(json_file)
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except ValueError as error:
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print(error)
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for element in data["scannedCves"]:
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cve = {}
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cve["id"] = str(element.strip())
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cves.append(cve)
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global CVSS_VER
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CVSS_VER=sys.argv[3].lower()
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if CVSS_VER =="cvssv3":
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cvssv3_parse_n_report(cves,title,data)
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elif CVSS_VER == "cvssv2":
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cvssv2_parse_n_report(cves,title,data)
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else:
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print("\n argument not matching \n enter [cvssv3|cvssv2] ")
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sys.exit(0)
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if __name__ == "__main__":
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main()
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127
cve_support/template_v3.txt
Normal file
127
cve_support/template_v3.txt
Normal file
@ -0,0 +1,127 @@
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<head></head>
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<body>
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<h1>Security report from vuls scan from {{title}}</h1>
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<h2>CVEs to fix w/o a launchpad assigned: {{cves_to_fix | length}}</h2>
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<table>
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{% if cves_to_fix|length >= 1 %}
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<tr>
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{% for head in heads %}
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<th>{{head}}</th>
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{% endfor %}
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</tr>
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{% for cve in cves_to_fix %}
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<tr>
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<td>{{cve["id"]}}</td>
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<td>{{cve["status"]}}</td>
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<td>{{cve["cvss3Score"]}}</td>
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<td>{{cve["av"]}}</td>
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<td>{{cve["ac"]}}</td>
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<td>{{cve["ui"]}}</td>
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<td>{{cve["ai"]}}</td>
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</tr>
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{% endfor %}
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{% endif %}
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</table>
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<h2>CVEs to fix w/ a launchpad assigend: {{cves_to_fix_lp | length}}</h2>
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<table>
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{% if cves_to_fix_lp|length >= 1 %}
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<tr>
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{% for head in heads %}
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<th>{{head}}</th>
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{% endfor %}
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</tr>
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{% for cve in cves_to_fix_lp %}
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<tr>
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<td>{{cve["id"]}}</td>
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<td>{{cve["status"]}}</td>
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<td>{{cve["cvss3Score"]}}</td>
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<td>{{cve["av"]}}</td>
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<td>{{cve["ac"]}}</td>
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<td>{{cve["ui"]}}</td>
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<td>{{cve["ai"]}}</td>
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</tr>
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{% endfor %}
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{% endif %}
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</table>
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<h2> CVEs to track for incoming fix: {{cves_to_track | length}}</h2>
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<table>
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{% if cves_to_track|length >= 1 %}
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<tr>
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{% for head in heads %}
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<th>{{head}}</th>
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{% endfor %}
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</tr>
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{% for cve in cves_to_track %}
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<tr>
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<td>{{cve["id"]}}</td>
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<td>{{cve["status"]}}</td>
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<td>{{cve["cvss3Score"]}}</td>
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<td>{{cve["av"]}}</td>
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<td>{{cve["ac"]}}</td>
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<td>{{cve["ui"]}}</td>
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<td>{{cve["ai"]}}</td>
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</tr>
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{% endfor %}
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{% endif %}
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</table>
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<h2> CVEs that are Invalid or Won't Fix: {{cves_wont_fix | length}}</h2>
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<table>
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{% if cves_wont_fix|length >= 1 %}
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<tr>
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{% for head in heads %}
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<th>{{head}}</th>
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{% endfor %}
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</tr>
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{% for cve in cves_wont_fix %}
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<tr>
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<td>{{cve["id"]}}</td>
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<td>{{cve["status"]}}</td>
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<td>{{cve["cvss3Score"]}}</td>
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<td>{{cve["av"]}}</td>
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<td>{{cve["ac"]}}</td>
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<td>{{cve["ui"]}}</td>
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<td>{{cve["ai"]}}</td>
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</tr>
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{% endfor %}
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{% endif %}
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</table>
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<h2> CVEs to omit: {{cves_to_omit | length}}</h2>
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<table>
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{% if cves_to_omit|length >= 1 %}
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<tr>
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{% for head in heads %}
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<th>{{head}}</th>
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{% endfor %}
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</tr>
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{% for cve in cves_to_omit %}
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<tr>
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<td>{{cve["id"]}}</td>
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<td>{{cve["status"]}}</td>
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<td>{{cve["cvss3Score"]}}</td>
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<td>{{cve["av"]}}</td>
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<td>{{cve["ac"]}}</td>
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<td>{{cve["ui"]}}</td>
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<td>{{cve["ai"]}}</td>
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</tr>
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{% endfor %}
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{% endif %}
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</table>
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<h2>ERROR: CVEs that have no cvss3Score or cvss2Vector:{{cves_w_errors | length}}</h2>
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<table>
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{% if cves_w_errors|length >= 1 %}
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{% for cve in cves_w_errors %}
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<tr>
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<td>{{cve["id"]}}</td>
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<td>{{cve["status"]}}</td>
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</tr>
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{% endfor %}
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{% endif %}
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</table>
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</body>
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