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Added CVEs for Dropbear & libssh. Fixed libssh CVE parsing. Now prints CVEs in red when score is >= 8.0, otherwise they are printed in orange.

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This commit is contained in:
Joe Testa
2019-08-17 23:11:03 -04:00
parent 41d396f551
commit 7155efeb4a
1 changed files with 27 additions and 1 deletions
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28
ssh-audit.py
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@@ -1338,6 +1338,12 @@ class SSH(object): # pylint: disable=too-few-public-methods
os_version = cls._extract_os_version(banner.comments)
return cls(v, p, mx.group(1), patch, os_version)
mx = re.match(r'^libssh-([\d\.]+\d+)(.*)', software)
if bool(mx):
patch = cls._fix_patch(mx.group(2))
v, p = None, SSH.Product.LibSSH
os_version = cls._extract_os_version(banner.comments)
return cls(v, p, mx.group(1), patch, os_version)
mx = re.match(r'^libssh_([\d\.]+\d+)(.*)', software)
if bool(mx):
patch = cls._fix_patch(mx.group(2))
v, p = None, SSH.Product.LibSSH
@@ -1739,9 +1745,21 @@ class SSH(object): # pylint: disable=too-few-public-methods
return self.__storage.items()
class Security(object): # pylint: disable=too-few-public-methods
# Format: [starting_vuln_version, last_vuln_version, affected, CVE_ID, CVSSv2, description]
# affected: 1 = server, 2 = client, 4 = local
# Example: if it affects servers, both remote & local, then affected
# = 1. If it affects servers, but is a local issue only,
# then affected = 1 + 4 = 5.
# pylint: disable=bad-whitespace
CVE = {
'Dropbear SSH': [
['0.0', '2018.76', 1, 'CVE-2018-15599', 5.0, 'remote users may enumerate users on the system'],
['0.0', '2017.74', 5, 'CVE-2017-9079', 4.7, 'local users can read certain files as root'],
['0.0', '2017.74', 5, 'CVE-2017-9078', 9.3, 'local users may elevate privileges to root under certain conditions'],
['0.0', '2016.73', 5, 'CVE-2016-7409', 2.1, 'local users can read process memory under limited conditions'],
['0.0', '2016.73', 1, 'CVE-2016-7408', 6.5, 'remote users can execute arbitrary code'],
['0.0', '2016.73', 5, 'CVE-2016-7407', 10.0, 'local users can execute arbitrary code'],
['0.0', '2016.73', 1, 'CVE-2016-7406', 10.0, 'remote users can execute arbitrary code'],
['0.44', '2015.71', 1, 'CVE-2016-3116', 5.5, 'bypass command restrictions via xauth command injection'],
['0.28', '2013.58', 1, 'CVE-2013-4434', 5.0, 'discover valid usernames through different time delays'],
['0.28', '2013.58', 1, 'CVE-2013-4421', 5.0, 'cause DoS via a compressed packet (memory consumption)'],
@@ -1752,6 +1770,9 @@ class SSH(object): # pylint: disable=too-few-public-methods
['0.28', '0.46', 1, 'CVE-2005-4178', 6.5, 'execute arbitrary code via buffer overflow vulnerability'],
['0.28', '0.42', 1, 'CVE-2004-2486', 7.5, 'execute arbitrary code via DSS verification code']],
'libssh': [
['0.6.4', '0.6.4', 1, 'CVE-2018-10933', 6.4, 'authentication bypass'],
['0.7.0', '0.7.5', 1, 'CVE-2018-10933', 6.4, 'authentication bypass'],
['0.8.0', '0.8.3', 1, 'CVE-2018-10933', 6.4, 'authentication bypass'],
['0.1', '0.7.2', 1, 'CVE-2016-0739', 4.3, 'conduct a MitM attack (weakness in DH key generation)'],
['0.5.1', '0.6.4', 1, 'CVE-2015-3146', 5.0, 'cause DoS via kex packets (null pointer dereference)'],
['0.5.1', '0.6.3', 1, 'CVE-2014-8132', 5.0, 'cause DoS via kex init packet (dangling pointer)'],
@@ -2578,7 +2599,12 @@ def output_security_sub(sub, software, padlen):
p = '' if out.batch else ' ' * (padlen - len(name))
if sub == 'cve':
cvss, descr = line[4:6] # type: float, str
out.fail('(cve) {0}{1} -- ({2}) {3}'.format(name, p, cvss, descr))
# Critical CVSS scores (>= 8.0) are printed as a fail, otherwise they are printed as a warning.
out_func = out.warn
if cvss >= 8.0:
out_func = out.fail
out_func('(cve) {0}{1} -- (CVSSv2: {2}) {3}'.format(name, p, cvss, descr))
else:
descr = line[4]
out.fail('(sec) {0}{1} -- {2}'.format(name, p, descr))