1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#!/usr/bin/env python3
# Copyright 2016 Alex Legler
# Distributed under the terms of the GNU General Public License v3
import json
import re
import string
import sys
import os
import httplib2
from base64 import b64encode
URI_BASE = 'https://glsamaker.gentoo.org'
class CVETool:
""" Interface to GLSAMaker's CVETool """
class NotFoundError(RuntimeError):
pass
def __init__(self, auth, command, args):
self.auth = auth
if command == 'info':
self.info(self.cleanup_cve(sys.argv[2]))
elif command == 'assign':
if len(args) < 2:
print('Usage: assign <bug> <CVE> [<CVE>...]')
print('Assigns a set of CVEs to a bug')
sys.exit(1)
self.assign(args[0], [self.cleanup_cve(cve) for cve in args[1:]])
elif command == 'nfu':
if len(args) != 1:
print('Usage: nfu <CVE>')
print('Marks a CVE as not-for-us')
sys.exit(1)
self.nfu(self.cleanup_cve(args[0]))
elif command == 'pw':
if len(sys.argv) != 4:
print('Usage: pw <user> <password>')
print('Generates a base64-encoded credential for storing')
sys.exit(1)
self.pw(sys.argv[2], sys.argv[3])
else:
self.usage(sys.argv[0])
sys.exit(1)
def info(self, cve):
try:
data = self.json_request('/cve/info/' + cve + '.json')
except self.NotFoundError as e:
print('{} not found in Gentoo\'s CVE database!'.format(cve))
sys.exit(0)
print(' CVE ID: ' + data['cve_id'])
print(' Summary: ' + data['summary'])
print(' Published: ' + (data['published_at'] if data['published_at'] is not None else "Not yet published"))
print('-' * 80)
print(' State: ' + data['state'])
print(' Bugs: ' + ' , '.join(['https://bugs.gentoo.org/' + str(bug) for bug in data['bugs']]))
def assign(self, bug, cves):
cve_ids = [self.get_internal_cve_id(cve) for cve in cves]
response = self.request('/cve/assign/?bug=' + str(bug) + '&cves=' + ','.join([str(c) for c in cve_ids]))
if (response == 'ok'):
print('Assigned bug {} to {}'.format(str(bug), ', '.join(cves)))
else:
print('Assigning likely failed: ' + response)
sys.exit(1)
def nfu(self, cve):
cve_id = self.get_internal_cve_id(cve)
response = self.request('/cve/nfu/?cves=' + str(cve_id) + '&reason=')
if (response == 'ok'):
print('Marked {} as NFU'.format(cve))
else:
print('Assigning likely failed: ' + response)
sys.exit(1)
def usage(self, programname):
""" Print usage information """
print('Usage: {} <command> <cve> [args]'.format(programname))
print('CLI for CVETool.')
def pw(self, user, password):
print(b64encode(bytes(user + ':' + password, 'utf-8')).decode('ascii'))
def get_internal_cve_id(self, cve):
""" Resolves a CVE id to the internal databse ID """
return self.json_request('/cve/info/' + cve + '.json')['id']
def json_request(self, uri, method='GET'):
return json.loads(self.request(uri, method))
def cleanup_cve(self, str):
regex = re.compile('^(CVE-)?\d{4}-\d{4,}$')
if not regex.match(str):
raise ValueError('Cannot parse CVE: ' + str)
if not str.startswith('CVE-'):
return 'CVE-' + str
else:
return str
def request(self, uri, method='GET'):
client = httplib2.Http('.cache')
full_uri = URI_BASE + uri
response, content = client.request(full_uri, method, headers = { 'Authorization': 'Basic ' + self.auth })
status = response['status']
if (status == '404'):
raise self.NotFoundError(full_uri + ': ' + status)
elif (status[0] != '2' and status != '304'):
raise RuntimeError(full_uri + ': ' + status)
return content.decode('utf-8')
def main():
if not 'CVETOOL_AUTH' in os.environ and not sys.argv[1] == 'pw':
print('CVETOOL_AUTH environment variable missing. Generate its contents with the pw subcommand.')
sys.exit(1)
auth = None
if 'CVETOOL_AUTH' in os.environ:
auth = os.environ['CVETOOL_AUTH']
CVETool(auth, sys.argv[1], sys.argv[2:])
if __name__ == "__main__":
try:
main()
except KeyboardInterrupt:
print('\n ! Exiting.')
|
GitWeb