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335c7cda12
Release notes at https://www.nlnetlabs.nl/news/2024/May/08/unbound-1.20.0-released/ Security: The DNSBomb vulnerability CVE-2024-33655 Merge commit 'c2a80056864d6eda0398fd127dc0ae515b39752b' into main
309 lines
10 KiB
Plaintext
309 lines
10 KiB
Plaintext
; Ask the same question twice. Check to see second is answered
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; from cache
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server:
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trust-anchor: "example.com. 3600 IN DS 2854 3 1 46e4ffc6e9a4793b488954bd3f0cc6af0dfb201b"
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val-override-date: "20070916134226"
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trust-anchor-signaling: no
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target-fetch-policy: "0 0 0 0 0"
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send-client-subnet: 1.2.3.4
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max-client-subnet-ipv4: 17
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module-config: "subnetcache validator iterator"
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verbosity: 3
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fake-sha1: yes
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fake-dsa: yes
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access-control: 127.0.0.0/8 allow_snoop
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qname-minimisation: "no"
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minimal-responses: no
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; the size for the edns subnet cache
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msg-cache-size: 1500
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test subnet cached response size
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 100
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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. IN NS
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SECTION ANSWER
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. IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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K.ROOT-SERVERS.NET. IN A 193.0.14.129
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 100
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ADDRESS 1.2.3.4
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
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ENTRY_END
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; response to DNSKEY priming query
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN DNSKEY
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SECTION ANSWER
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example.com. 3600 IN DNSKEY 256 3 3 ALXLUsWqUrY3JYER3T4TBJII s70j+sDS/UT2QRp61SE7S3E EXopNXoFE73JLRmvpi/UrOO/Vz4Se 6wXv/CYCKjGw06U4WRgR YXcpEhJROyNapmdIKSx hOzfLVE1gqA0PweZR8d tY3aNQSRn3sPpwJr6Mi /PqQKAMMrZ9ckJpf1+b QMOOvxgzz2U1GS18b3y ZKcgTMEaJzd/GZYzi/B N2DzQ0MsrSwYXfsNLFO Bbs8PJMW4LYIxeeOe6rUgkWOF 7CC9Dh/dduQ1QrsJhmZAEFfd6ByYV+ ;{id = 2854 (zsk), size = 1688b}
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example.com. 3600 IN RRSIG DNSKEY 3 2 3600 20070926134802 20070829134802 2854 example.com. MCwCFG1yhRNtTEa3Eno2zhVVuy2EJX3wAhQeLyUp6+UXcpC5qGNu9tkrTEgPUg== ;{id = 2854}
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926135752 20070829135752 2854 example.com. MC0CFQCMSWxVehgOQLoYclB9PIAbNP229AIUeH0vNNGJhjnZiqgIOKvs1EhzqAo= ;{id = 2854}
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id copy_ednsdata_assume_clientsubnet
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.0.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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11 00 ; source mask, scopemask
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7f 00 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{id = 2854}
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id copy_ednsdata_assume_clientsubnet
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REPLY QR NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.43
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www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. AFC5G+z0jWt132hDuTIFOva59cZ7MTd+ex/osuoiQhIIuWFAr9xoZz8=
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.3.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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11 00 ; source mask, scopemask
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7f 03 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
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ENTRY_END
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RANGE_END
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STEP 1 QUERY
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ENTRY_BEGIN
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HEX_ANSWER_BEGIN;
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00 00 01 00 00 01 00 00 ;ID 0
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00 00 00 01 03 77 77 77 ; www.example.com A? (DO)
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07 65 78 61 6d 70 6c 65
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03 63 6f 6d 00 00 01 00
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01 00 00 29 10 00 00 00
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80 00 00 0b
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00 08 00 07 ; OPC, optlen
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00 01 11 00 ; ip4, scope 17, source 0
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7f 00 00 ;127.0.0.0/17
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HEX_ANSWER_END
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ENTRY_END
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STEP 10 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ednsdata
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REPLY QR RD RA AD NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{id = 2854}
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.0.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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11 11 ; source mask, scopemask
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7f 00 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
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ENTRY_END
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STEP 11 QUERY
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ENTRY_BEGIN
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HEX_ANSWER_BEGIN;
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00 00 00 00 00 01 00 00 ;ID 0, no RD
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00 00 00 01 03 77 77 77 ; www.example.com A? (DO)
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07 65 78 61 6d 70 6c 65
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03 63 6f 6d 00 00 01 00
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01 00 00 29 10 00 00 00
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80 00 00 0b
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00 08 00 07 ; OPC, optlen
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00 01 12 00 ; ip4, scope 18, source 0
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7f 00 00 ;127.0.0.0/18
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HEX_ANSWER_END
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ENTRY_END
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STEP 20 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ednsdata
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REPLY QR RA AD NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.40
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www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFC99iE9K5y2WNgI0gFvBWaTi9wm6AhUAoUqOpDtG5Zct+Qr9F3mSdnbc6V4= ;{id = 2854}
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.0.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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12 11 ; source mask, scopemask
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7f 00 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
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ENTRY_END
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; update the cache entry
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STEP 30 QUERY
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ENTRY_BEGIN
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HEX_ANSWER_BEGIN;
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00 00 01 00 00 01 00 00 ;ID 0
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00 00 00 01 03 77 77 77 ; www.example.com A? (DO)
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07 65 78 61 6d 70 6c 65
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03 63 6f 6d 00 00 01 00
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01 00 00 29 10 00 00 00
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80 00 00 0b
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00 08 00 07 ; OPC, optlen
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00 01 11 00 ; ip4, scope 17, source 0
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7f 03 00 ;127.3.0.0/17
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HEX_ANSWER_END
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ENTRY_END
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STEP 40 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ednsdata
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REPLY QR RD RA AD NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. IN A 10.20.30.43
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www.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. AFC5G+z0jWt132hDuTIFOva59cZ7MTd+ex/osuoiQhIIuWFAr9xoZz8=
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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example.com. 3600 IN RRSIG NS 3 2 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCN+qHdJxoI/2tNKwsb08pra/G7aAIUAWA5sDdJTbrXA1/3OaesGBAO3sI= ;{id = 2854}
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.3.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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11 11 ; source mask, scopemask
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7f 03 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ns.example.com. 3600 IN RRSIG A 3 3 3600 20070926134150 20070829134150 2854 example.com. MC0CFQCQMyTjn7WWwpwAR1LlVeLpRgZGuQIUCcJDEkwAuzytTDRlYK7nIMwH1CM= ;{id = 2854}
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ENTRY_END
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SCENARIO_END
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