From: W.C.A. Wijngaards Date: Wed, 22 Jul 2026 09:58:18 +0000 (+0200) Subject: - Unit test for CVE-2026-46582. X-Git-Tag: release-1.26.0rc1~31 X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=1ae2570bda9972aa0459e8650db2d6107f5f07d9;p=thirdparty%2Funbound.git - Unit test for CVE-2026-46582. --- diff --git a/doc/Changelog b/doc/Changelog index 05f81ebc8..b22dd316d 100644 --- a/doc/Changelog +++ b/doc/Changelog @@ -90,6 +90,7 @@ - Unit test for CVE-2026-42955. - Unit test for CVE-2026-44687. - Unit test for CVE-2026-44690. + - Unit test for CVE-2026-46582. - Unit test for CVE-2026-50045. 21 July 2026: Wouter diff --git a/testdata/serve_expired_wildcard_swap_ad.rpl b/testdata/serve_expired_wildcard_swap_ad.rpl new file mode 100644 index 000000000..9bfd5caaa --- /dev/null +++ b/testdata/serve_expired_wildcard_swap_ad.rpl @@ -0,0 +1,330 @@ +; config options +; The island of trust is at test. +server: + trust-anchor: "test. DS 1444 8 2 8a87d067fd09a5965244fe2e317dd26d182c468e0a7f26ecc4c7b479bf89db9b" + val-override-date: "20201020135527" + target-fetch-policy: "0 0 0 0 0" + qname-minimisation: "no" + fake-sha1: yes + trust-anchor-signaling: no + minimal-responses: no + iter-scrub-promiscuous: no + aggressive-nsec: no + local-zone: test. nodefault + log-servfail: yes + serve-expired: yes + serve-expired-client-timeout: 0 + +stub-zone: + name: "." + stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. +CONFIG_END + +SCENARIO_BEGIN Test serve-expired on wildcard secure from another message + +; 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 subdomain +ADJUST copy_id copy_query +REPLY QR NOERROR +SECTION QUESTION +test. IN NS +SECTION AUTHORITY +test. IN NS ns.test. +SECTION ADDITIONAL +ns.test. IN A 1.2.3.5 +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +alias.other.tld. IN A +SECTION ANSWER +alias.other.tld. IN CNAME www.example.test. +ENTRY_END +RANGE_END + +; ns.test +RANGE_BEGIN 0 100 + ADDRESS 1.2.3.5 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +test. IN NS +SECTION ANSWER +test. IN NS ns.test +test. 3600 IN RRSIG NS 8 1 3600 20201116135527 20201019135527 1444 test. RGCxIO32TbbLTk6xZmTr+fjYPH50hntBxeOQ2DIj2pDsmjALcHYtVkOfpfk2EhOhHZd+9PLuoJPbJh6a9NqLSFeBvr0XZoCZoQ2g0tCHUNHcH5EVjA2TuYBQem6DVYnPLJ3914aRx0uA1j42b8dC2xsam/XkOo7U+dLbUW2Os1s= +SECTION ADDITIONAL +ns.test. IN A 1.2.3.5 +ns.test. 3600 IN RRSIG A 8 2 3600 20201116135527 20201019135527 1444 test. GskCc4/k6GjH9V9Jz2V5L2XLiizbOeWkB0feSbf+aN859S3vxVvtuqkvIgwY4LafUO1QAn/pUcv9zA7rcFO++rlg+8t6gvZTo9p3v0bfeIv2uJDsfSBD5jDh0WXlxjekfnrKrQp7zE+GiA93tWwKUWKPvxXDgP+n886e6WcbHJw= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +ns.test. IN A +SECTION ANSWER +ns.test. IN A 1.2.3.5 +ns.test. 3600 IN RRSIG A 8 2 3600 20201116135527 20201019135527 1444 test. GskCc4/k6GjH9V9Jz2V5L2XLiizbOeWkB0feSbf+aN859S3vxVvtuqkvIgwY4LafUO1QAn/pUcv9zA7rcFO++rlg+8t6gvZTo9p3v0bfeIv2uJDsfSBD5jDh0WXlxjekfnrKrQp7zE+GiA93tWwKUWKPvxXDgP+n886e6WcbHJw= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +ns.test. IN AAAA +SECTION AUTHORITY +test. 3600 IN SOA ns.test. host.test. 20201 3600 1800 604800 3600 +test. 3600 IN RRSIG SOA 8 1 3600 20201116135527 20201019135527 1444 test. IZJIDmEgf0W7A5G7hvvZ2hUqJ9Trbv1/i7ySapDmPbYV9lVCmHHobySxO01yDhI2/Pvpsvxqrm1Tiv3BxH8uzZ4keKgiQjBsSy4htAsFct9I4E7ly2glPj/Fm3oun3PsjJDv5QYhx0KS7w4IQKU7Nc9pfJc92uoUI5bdoC1pRGw= +ns.test. 3600 IN NSEC nz.test. A RRSIG +ns.test. 3600 IN RRSIG NSEC 8 2 3600 20201116135527 20201019135527 1444 test. PElArVB3KPg8KHAP7lzcNbhFuXNxTsHNTn1dZVncB5qmWRdIaeKpaXDjpH0JSXMaelGFS+/QhuQ6Hmw9+4VyZFRqMzGhw4agUR/2bxABHcDIG4ZpUwyeSP61ATTfHUkQVxaH2wjCWI/tfmesdP2xVE4GXyUvCIBxU914MkZbULU= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +test. IN DNSKEY +SECTION ANSWER +test. 3600 IN DNSKEY 257 3 8 AwEAAbd9WqjzE2Pynz21OG5doSf9hFzMr5dhzz2waZ3vTa+0o5r7AjTAqmA1yH/B3+aAMihUm5ucZSfVqo7+kOaRE8yFj9aivOmA1n1+JLevJq/oyvQyjxQN2Qb89LyaNUT5oKZIiL+uyyhNW3KDR3SSbQ/GBwQNDHVcZi+JDR3RC0r7 ;{id = 1444 (ksk), size = 1024b} +test. 3600 IN RRSIG DNSKEY 8 1 3600 20201116135527 20201019135527 1444 test. UmRMS4iG9NBBHZYOtpwFFcJgbEb5SfHSgHd9XRe/8pTWM31WSDayn5ViPOBMqI1T5TXg2amc13dDI574xIM2oKMus3b5cBW72jJLW13jprBtslO6P8BMWb4HNnvLrJtQjwf3ErRirtTxinLmywQtmyr1cdthyG3Gp4N7i90fHSc= +SECTION ADDITIONAL +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qname qtype +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +example.test. IN DS +SECTION ANSWER +example.test. 3600 IN DS 55567 8 2 a2d578906330a10a57d40462257b6ce038bad3f7bf4a45c46c46086e20a94b39 +example.test. 3600 IN RRSIG DS 8 2 3600 20201116135527 20201019135527 1444 test. P7+FTYW2qHuJ4I1YbuvseEz5X1lOYAraGEHB3C5y0OOCQFmhmSiFRdquNi2NlpcS6FXLdsE0EU+Bo1+0atTG4EkMWXbpF21lrtbB51BdsnlX4Mzc/o375fvjiOMwmF6wPCUaOUN62jrVrhsE/hedaVyDphDToqL17ETohwgUO2I= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode subdomain +ADJUST copy_id copy_query +REPLY QR NOERROR +SECTION QUESTION +example.test. IN NS +SECTION AUTHORITY +example.test. IN NS ns.example.test. +example.test. 3600 IN DS 55567 8 2 a2d578906330a10a57d40462257b6ce038bad3f7bf4a45c46c46086e20a94b39 +example.test. 3600 IN RRSIG DS 8 2 3600 20201116135527 20201019135527 1444 test. P7+FTYW2qHuJ4I1YbuvseEz5X1lOYAraGEHB3C5y0OOCQFmhmSiFRdquNi2NlpcS6FXLdsE0EU+Bo1+0atTG4EkMWXbpF21lrtbB51BdsnlX4Mzc/o375fvjiOMwmF6wPCUaOUN62jrVrhsE/hedaVyDphDToqL17ETohwgUO2I= +SECTION ADDITIONAL +ns.example.test. IN A 1.2.3.4 +ENTRY_END +RANGE_END + +; ns.example.test. +RANGE_BEGIN 0 25 + ADDRESS 1.2.3.4 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.test. IN NS +SECTION ANSWER +example.test. IN NS ns.example.test. +example.test. 3600 IN RRSIG NS 8 2 3600 20201116135527 20201019135527 55567 example.test. l1JT0wMlK0YI7/CWHzexf/k0iafUhCgN+BdgjBXIRXmSQNf4HDTiAkbcWL2/15qtnp12nQy9JeiTdSQ3vtPoHAJX4C5uTWaze4ms+Wrrf+n92sLCjacP9x50uuicH3URT6cKb1QCAPwlvlWxIlZjAMYFScSns7+C441NMJT8aE4= +SECTION ADDITIONAL +ns.example.test. IN A 1.2.3.4 +ns.example.test. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55567 example.test. 2PWaVaccZFQgfPKXNsdEGYUVaashCAj1ZhBo9XRt5eQKUFvZcauBjMnXIuxZFyWeootn1fZGw6GuPI5W48Y0FDx38H6adprkFgQikso2Y64jDdDMWznSo38Z/XqP+U0+kq4vmwonvmEMpm7hKnNEXvhqGKyGzyBwb+CZVJ2L8Eo= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +ns.example.test. IN A +SECTION ANSWER +ns.example.test. IN A 1.2.3.4 +ns.example.test. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55567 example.test. 2PWaVaccZFQgfPKXNsdEGYUVaashCAj1ZhBo9XRt5eQKUFvZcauBjMnXIuxZFyWeootn1fZGw6GuPI5W48Y0FDx38H6adprkFgQikso2Y64jDdDMWznSo38Z/XqP+U0+kq4vmwonvmEMpm7hKnNEXvhqGKyGzyBwb+CZVJ2L8Eo= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +ns.example.test. IN AAAA +SECTION AUTHORITY +example.test. 3600 IN SOA ns.example.test. host.example.test. 20301 3600 1800 604800 3600 +example.test. 3600 IN RRSIG SOA 8 2 3600 20201116135527 20201019135527 55567 example.test. 2UUkScBAN37fJpSrelhE8DotKvmOzj3q9wicaanCIaCv95DE4nQnePih5B+ek3FIRjB/Uv2+z4Ro5Uxy94XAnlK0rCkDLSa0U9U7KP0ytc88sevO0x1SCPAMoZoJO6JqHkv42pdh54WSz+Zb/D8npY0j/tksHe/uX+VQnMymgb8= +ns.example.test. 3600 IN NSEC nz.example.test. A RRSIG +ENTRY_END + +; response to DNSKEY priming query +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR NOERROR +SECTION QUESTION +example.test. IN DNSKEY +SECTION ANSWER +example.test. 3600 IN DNSKEY 257 3 8 AwEAAdug/L739i0mgN2nuK/bhxu3wFn5Ud9nK2+XUmZQlPUEZUC5YZvm1rfMmEWTGBn87fFxEu/kjFZHJ55JLzqsbbpVHLbmKCTT2gYR2FV2WDKROGKuYbVkJIXdKAjJ0ONuK507NinYvlWXIoxHn22KAWOd9wKgSTNHBlmGkX+ts3hh ;{id = 55567 (ksk), size = 1024b} +example.test. 3600 IN RRSIG DNSKEY 8 2 3600 20201116135527 20201019135527 55567 example.test. IbWMC6quOuZFNPAVxQLqCJ9nLhindBo826rnLcg5yMgs9dGUSPOCXAfHTmbgJAUNs9HTFfrJWNvasnETs0UOpmEuifGwWdH1OlME7Gny4RL2QmITUFeMW81Jz1tiVQxFXl6yxT0jxOxvz+bqMHlrz+8IeWQXcO+GZTPu8ueq30g= +ENTRY_END + +; This wildcard exists in the zone. It is signed by example.test. +; *.example.test. 10 IN A 10.20.30.33 +; +; *.example.test. 10 IN A 10.20.30.33 +; *.example.test. 10 IN RRSIG A 8 2 10 20201116135527 20201019135527 55567 example.test. txqAQLRwy7ZdpExOnpLAQ1/xOz7gOp5C3XB/vg3CoTqvUtGqJ2MxEc3H0XtCfhSJJocbIof+lQSleAzs+Y/B0FV7YruCzPoNlZDW7qVaY0fITTwef97ui3AbxkOpNEptVN3xxsH3o5AYKAmh+oePzBsZlxmP4KuF9DoKl9/m52M= + +; response to query of interest +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +www.example.test. IN A +SECTION ANSWER +www.example.test. 10 IN A 10.20.30.40 +www.example.test. 10 IN RRSIG A 8 3 10 20201116135527 20201019135527 55567 example.test. 1by1cfB/FwdGm2gH/TUmn9KYzyIpd1i2iDwHXayd4uOuYC/v4CCHwl1pbhlz4J7WNoetG7QmVNKhXQyH1446BEUOpEe0skYOYb0r+gk3Cv6BwTH+bAzkiseFLUQ/YVbmUmLOXMm0fN1rP6sUM1aDBd+ugIr0UNPQJcbCTMjtvIQ= +ENTRY_END +RANGE_END + +RANGE_BEGIN 25 45 + ADDRESS 1.2.3.4 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +ns.example.test. IN A +SECTION ANSWER +ns.example.test. IN A 1.2.3.4 +ns.example.test. 3600 IN RRSIG A 8 3 3600 20201116135527 20201019135527 55567 example.test. 2PWaVaccZFQgfPKXNsdEGYUVaashCAj1ZhBo9XRt5eQKUFvZcauBjMnXIuxZFyWeootn1fZGw6GuPI5W48Y0FDx38H6adprkFgQikso2Y64jDdDMWznSo38Z/XqP+U0+kq4vmwonvmEMpm7hKnNEXvhqGKyGzyBwb+CZVJ2L8Eo= +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +ns.example.test. IN AAAA +SECTION AUTHORITY +example.test. 3600 IN SOA ns.example.test. host.example.test. 20301 3600 1800 604800 3600 +example.test. 3600 IN RRSIG SOA 8 2 3600 20201116135527 20201019135527 55567 example.test. 2UUkScBAN37fJpSrelhE8DotKvmOzj3q9wicaanCIaCv95DE4nQnePih5B+ek3FIRjB/Uv2+z4Ro5Uxy94XAnlK0rCkDLSa0U9U7KP0ytc88sevO0x1SCPAMoZoJO6JqHkv42pdh54WSz+Zb/D8npY0j/tksHe/uX+VQnMymgb8= +ns.example.test. 3600 IN NSEC nz.example.test. A RRSIG +ENTRY_END + +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +www.example.test. IN A +SECTION ANSWER +; the wildcard put as the www.example.test. +www.example.test. 10 IN A 10.20.30.33 +www.example.test. 10 IN RRSIG A 8 2 10 20201116135527 20201019135527 55567 example.test. txqAQLRwy7ZdpExOnpLAQ1/xOz7gOp5C3XB/vg3CoTqvUtGqJ2MxEc3H0XtCfhSJJocbIof+lQSleAzs+Y/B0FV7YruCzPoNlZDW7qVaY0fITTwef97ui3AbxkOpNEptVN3xxsH3o5AYKAmh+oePzBsZlxmP4KuF9DoKl9/m52M= +; no wildcard NSEC proof +ENTRY_END +RANGE_END + +RANGE_BEGIN 45 65 + ADDRESS 1.2.3.4 +ENTRY_BEGIN +MATCH opcode qtype qname +ADJUST copy_id +REPLY QR AA NOERROR +SECTION QUESTION +www.example.test. IN A +SECTION ANSWER +www.example.test. 10 IN A 10.20.30.40 +www.example.test. 10 IN RRSIG A 8 3 10 20201116135527 20201019135527 55567 example.test. 1by1cfB/FwdGm2gH/TUmn9KYzyIpd1i2iDwHXayd4uOuYC/v4CCHwl1pbhlz4J7WNoetG7QmVNKhXQyH1446BEUOpEe0skYOYb0r+gk3Cv6BwTH+bAzkiseFLUQ/YVbmUmLOXMm0fN1rP6sUM1aDBd+ugIr0UNPQJcbCTMjtvIQ= +ENTRY_END +RANGE_END + +; query for a message in cache that is going to be expired, +; and then get an RRset replaced. +; The query is for a record not covered by the wildcard in the zone. + +STEP 1 QUERY +ENTRY_BEGIN +REPLY RD DO +SECTION QUESTION +www.example.test. IN A +ENTRY_END + +STEP 10 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA AD DO NOERROR +SECTION QUESTION +www.example.test. IN A +SECTION ANSWER +www.example.test. 10 IN A 10.20.30.40 +www.example.test. 10 IN RRSIG A 8 3 10 20201116135527 20201019135527 55567 example.test. 1by1cfB/FwdGm2gH/TUmn9KYzyIpd1i2iDwHXayd4uOuYC/v4CCHwl1pbhlz4J7WNoetG7QmVNKhXQyH1446BEUOpEe0skYOYb0r+gk3Cv6BwTH+bAzkiseFLUQ/YVbmUmLOXMm0fN1rP6sUM1aDBd+ugIr0UNPQJcbCTMjtvIQ= +ENTRY_END + +; wait to expire the message +STEP 20 TIME_PASSES ELAPSE 18 + +; swap the www.example.test. RRset with another. + +STEP 30 QUERY +ENTRY_BEGIN +REPLY RD DO +SECTION QUESTION +alias.other.tld. IN A +ENTRY_END + +STEP 40 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA DO SERVFAIL +SECTION QUESTION +alias.other.tld. IN A +SECTION ANSWER +; the wildcard proof fails here, but it validated the RRSIG over +; wildcard A record. +ENTRY_END + +; the serve expired response +STEP 50 QUERY +ENTRY_BEGIN +REPLY RD DO +SECTION QUESTION +www.example.test. IN A +ENTRY_END + +STEP 60 CHECK_ANSWER +ENTRY_BEGIN +MATCH all +REPLY QR RD RA AD DO NOERROR +SECTION QUESTION +www.example.test. IN A +SECTION ANSWER +www.example.test. 10 IN A 10.20.30.40 +www.example.test. 10 IN RRSIG A 8 3 10 20201116135527 20201019135527 55567 example.test. 1by1cfB/FwdGm2gH/TUmn9KYzyIpd1i2iDwHXayd4uOuYC/v4CCHwl1pbhlz4J7WNoetG7QmVNKhXQyH1446BEUOpEe0skYOYb0r+gk3Cv6BwTH+bAzkiseFLUQ/YVbmUmLOXMm0fN1rP6sUM1aDBd+ugIr0UNPQJcbCTMjtvIQ= +ENTRY_END + +SCENARIO_END