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- Unit test for CVE-2026-44687.

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W.C.A. Wijngaards
2026-07-22 11:55:09 +02:00
parent 9f757aa9f3
commit 23e19ca6fc
2 changed files with 116 additions and 0 deletions
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doc/Changelog
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@@ -88,6 +88,7 @@
- Set the repository to 1.25.3, it continues with the previous
changes.
- Unit test for CVE-2026-42955.
- Unit test for CVE-2026-44687.
21 July 2026: Wouter
- Merge #1476 from petrvaganoff: ipsecmod: fix possible deref
testdata/stop_nxdomain_label.rpl
Vendored
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; config options
server:
target-fetch-policy: "0 0 0 0 0"
qname-minimisation: "no"
harden-below-nxdomain: yes
trust-anchor: ". IN DNSKEY 257 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3"
val-override-date: "20070916134226"
fake-sha1: yes
trust-anchor-signaling: no
aggressive-nsec: no
domain-insecure: "under.example.local"
stub-zone:
name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
stub-zone:
name: "under.example.local"
stub-addr: 1.2.3.4
CONFIG_END
SCENARIO_BEGIN Test stop cache on nxdomain, with stub under intermediate label
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 100
ADDRESS 193.0.14.129
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
. IN NS
SECTION ANSWER
. IN NS K.ROOT-SERVERS.NET.
SECTION ADDITIONAL
K.ROOT-SERVERS.NET. IN A 193.0.14.129
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
. IN DNSKEY
SECTION ANSWER
. 3600 IN DNSKEY 257 3 5 AQPQ41chR9DEHt/aIzIFAqanbDlRflJoRs5yz1jFsoRIT7dWf0r+PeDuewdxkszNH6wnU4QL8pfKFRh5PIYVBLK3 ;{id = 30900 (ksk), size = 512b}
. 3600 IN RRSIG DNSKEY 5 0 3600 20070926134150 20070829134150 30900 . BlVcSh8xSgm7ne+XVCJwNHQKjk5kTJgG4Fa3sOSfp3YUjb2YclmVWyIw7XEHl0/C6CN5gdy18idnM6vT6Hy42A== ;{id = 30900}
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NXDOMAIN
SECTION QUESTION
example.local. IN A
SECTION AUTHORITY
. 86400 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2010111601 1800 900 604800 86400
. 86400 IN RRSIG SOA 5 0 86400 20070926134150 20070829134150 30900 . bOYbFZZp7vWWC2oxV+kph+YXjoQj2f6QJktlgmzRI7oReFX9jy/LibTPQi/sW0SGHpLaj3G5p4IfIlBibne4DA== ;{id = 30900}
. 86400 IN NSEC ac. NS SOA RRSIG NSEC DNSKEY
. 86400 IN RRSIG NSEC 5 0 86400 20070926134150 20070829134150 30900 . U+/m5+FmczzkosEx1aTP7MK/F3PpcKWct8CzM1jhjwNe2RlnW7qFe0IH8SLzD/elvxDTQMpJSMlKOhUUdapB8g== ;{id = 30900}
lk. 86400 IN NSEC lr. NS DS RRSIG NSEC
lk. 86400 IN RRSIG NSEC 5 1 86400 20070926134150 20070829134150 30900 . j6Pw5Eu9vGHDJcckTSWa8YD1b7FV7c/Z8aVkLfJCH+iPcaa40/LSp784+t2PnAAXL8fgriNL6jF/ve1rti3ANQ== ;{id = 30900}
ENTRY_END
RANGE_END
; under.example.local
RANGE_BEGIN 0 100
ADDRESS 1.2.3.4
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
www.under.example.local. IN A
SECTION ANSWER
www.under.example.local. IN A 10.20.30.40
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
example.local. IN A
ENTRY_END
; recursion happens here.
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NXDOMAIN
SECTION QUESTION
example.local. IN A
SECTION AUTHORITY
. 86400 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2010111601 1800 900 604800 86400
ENTRY_END
STEP 20 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.under.example.local. IN A
ENTRY_END
; this query does not get sent to K-ROOT.
STEP 30 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA NOERROR
SECTION QUESTION
www.under.example.local. IN A
SECTION ANSWER
www.under.example.local. IN A 10.20.30.40
ENTRY_END
SCENARIO_END