add: New parameter to specify a custom CVE API to query

- Any API specified here must return the same
  format as the CIRCL CVE search one in order to
  be supported by the parsing functions, and
  ideally provide response to the same kind of
  requests (so the CWE search works as well)
pull/334/head
chrisr3d 3 years ago
parent c019e4d997
commit 8d33d6c18c
No known key found for this signature in database
GPG Key ID: 6BBED1B63A6D639F
  1. 16
      misp_modules/modules/expansion/cve_advanced.py

@ -8,14 +8,15 @@ mispattributes = {'input': ['vulnerability'], 'format': 'misp_standard'}
moduleinfo = {'version': '1', 'author': 'Christian Studer',
'description': 'An expansion module to enrich a CVE attribute with the vulnerability information.',
'module-type': ['expansion', 'hover']}
moduleconfig = []
moduleconfig = ["custom_API"]
cveapi_url = 'https://cve.circl.lu/api/cve/'
class VulnerabilityParser():
def __init__(self, attribute, vulnerability):
def __init__(self, attribute, vulnerability, api_url):
self.attribute = attribute
self.vulnerability = vulnerability
self.api_url = api_url
self.misp_event = MISPEvent()
self.misp_event.add_attribute(**attribute)
self.references = defaultdict(list)
@ -81,7 +82,7 @@ class VulnerabilityParser():
def __parse_weakness(self, vulnerability_uuid):
attribute_type = 'text'
cwe_string, cwe_id = self.vulnerability['cwe'].split('-')
cwes = requests.get(cveapi_url.replace('/cve/', '/cwe'))
cwes = requests.get(self.api_url.replace('/cve/', '/cwe'))
if cwes.status_code == 200:
for cwe in cwes.json():
if cwe['id'] == cwe_id:
@ -96,6 +97,10 @@ class VulnerabilityParser():
break
def check_url(url):
return "{}/".format(url) if not url.endswith('/') else url
def handler(q=False):
if q is False:
return False
@ -104,7 +109,8 @@ def handler(q=False):
if attribute.get('type') != 'vulnerability':
misperrors['error'] = 'Vulnerability id missing.'
return misperrors
r = requests.get("{}{}".format(cveapi_url, attribute['value']))
api_url = check_url(request['config']['custom_API']) if request['config'].get('custom_API') else cveapi_url
r = requests.get("{}{}".format(api_url, attribute['value']))
if r.status_code == 200:
vulnerability = r.json()
if not vulnerability:
@ -113,7 +119,7 @@ def handler(q=False):
else:
misperrors['error'] = 'cve.circl.lu API not accessible'
return misperrors['error']
parser = VulnerabilityParser(attribute, vulnerability)
parser = VulnerabilityParser(attribute, vulnerability, api_url)
parser.parse_vulnerability_information()
return parser.get_result()

Loading…
Cancel
Save