xref: /freebsd/tests/sys/netpfil/pf/icmp.sh (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
1# $FreeBSD$
2#
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2019 Kristof Provost <kp@FreeBSD.org>
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27
28. $(atf_get_srcdir)/utils.subr
29
30common_dir=$(atf_get_srcdir)/../common
31
32atf_test_case "cve_2019_5598" "cleanup"
33cve_2019_5598_head()
34{
35	atf_set descr 'Test CVE-2019-5598'
36	atf_set require.user root
37	atf_set require.progs scapy
38}
39
40cve_2019_5598_body()
41{
42	pft_init
43
44	epair_in=$(vnet_mkepair)
45	epair_out=$(vnet_mkepair)
46	ifconfig ${epair_in}a 192.0.2.1/24 up
47	ifconfig ${epair_out}a up
48
49	vnet_mkjail alcatraz ${epair_in}b ${epair_out}b
50	jexec alcatraz ifconfig ${epair_in}b 192.0.2.2/24 up
51	jexec alcatraz ifconfig ${epair_out}b 198.51.100.2/24 up
52	jexec alcatraz sysctl net.inet.ip.forwarding=1
53	jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05
54	jexec alcatraz route add default 198.51.100.3
55	route add -net 198.51.100.0/24 192.0.2.2
56
57	jexec alcatraz pfctl -e
58	pft_set_rules alcatraz "block all" \
59		"pass in proto udp to 198.51.100.3 port 53" \
60		"pass out proto udp to 198.51.100.3 port 53"
61
62	atf_check -s exit:0 env PYTHONPATH=${common_dir} \
63		$(atf_get_srcdir)/CVE-2019-5598.py \
64		--sendif ${epair_in}a \
65		--recvif ${epair_out}a \
66		--src 192.0.2.1 \
67		--to 198.51.100.3
68}
69
70cve_2019_5598_cleanup()
71{
72	pft_cleanup
73}
74
75atf_init_test_cases()
76{
77	atf_add_test_case "cve_2019_5598"
78}
79