# # SPDX-License-Identifier: BSD-2-Clause # # Copyright (c) 2019 Kristof Provost # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. . $(atf_get_srcdir)/utils.subr common_dir=$(atf_get_srcdir)/../common atf_test_case "cve_2019_5598" "cleanup" cve_2019_5598_head() { atf_set descr 'Test CVE-2019-5598' atf_set require.user root atf_set require.progs scapy } cve_2019_5598_body() { pft_init epair_in=$(vnet_mkepair) epair_out=$(vnet_mkepair) ifconfig ${epair_in}a 192.0.2.1/24 up ifconfig ${epair_out}a up vnet_mkjail alcatraz ${epair_in}b ${epair_out}b jexec alcatraz ifconfig ${epair_in}b 192.0.2.2/24 up jexec alcatraz ifconfig ${epair_out}b 198.51.100.2/24 up jexec alcatraz sysctl net.inet.ip.forwarding=1 jexec alcatraz arp -s 198.51.100.3 00:01:02:03:04:05 jexec alcatraz route add default 198.51.100.3 route add -net 198.51.100.0/24 192.0.2.2 jexec alcatraz pfctl -e pft_set_rules alcatraz "block all" \ "pass in proto udp to 198.51.100.3 port 53" \ "pass out proto udp to 198.51.100.3 port 53" atf_check -s exit:0 env PYTHONPATH=${common_dir} \ $(atf_get_srcdir)/CVE-2019-5598.py \ --sendif ${epair_in}a \ --recvif ${epair_out}a \ --src 192.0.2.1 \ --to 198.51.100.3 } cve_2019_5598_cleanup() { pft_cleanup } atf_init_test_cases() { atf_add_test_case "cve_2019_5598" }