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- Added tests with wildcard expanded NSEC records (CVE-2017-15105 test)

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git-svn-id: file:///svn/unbound/trunk@4528 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Ralph Dolmans 2018-02-12 11:39:03 +00:00
parent e63a4cd0fd
commit eff62cecac
3 changed files with 143 additions and 0 deletions
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3
doc/Changelog
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12 February 2018: Ralph
- Added tests with wildcard expanded NSEC records (CVE-2017-15105 test)
8 February 2018: Ralph
- Aggressive use of NSEC implementation. Use cached NSEC records to
generate NXDOMAIN, NODATA and positive wildcard answers.

71
testdata/val_nodata_failwc.rpl vendored Normal file
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; config options
; The island of trust is at nsecwc.nlnetlabs.nl
server:
trust-anchor: "nsecwc.nlnetlabs.nl. 10024 IN DS 565 8 2 0C15C04C022700C8713028F6F64CF2343DE627B8F83CDA1C421C65DB 52908A2E"
val-override-date: "20181202115531"
target-fetch-policy: "0 0 0 0 0"
fake-sha1: yes
trust-anchor-signaling: no
stub-zone:
name: "nsecwc.nlnetlabs.nl"
stub-addr: "185.49.140.60"
CONFIG_END
SCENARIO_BEGIN Test validator with nodata response with wildcard expanded NSEC record, original NSEC owner does not provide proof for QNAME. CVE-2017-15105 test.
; ns.example.com.
RANGE_BEGIN 0 100
ADDRESS 185.49.140.60
; response to DNSKEY priming query
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
nsecwc.nlnetlabs.nl. IN DNSKEY
SECTION ANSWER
nsecwc.nlnetlabs.nl. 3600 IN DNSKEY 257 3 8 AwEAAbTluF4BfJ/FT7Ak5a3VvYG1AqhT8FXxOsVwGTyueyE/hW+fMFMd QlLMf2Lf/gmsnFgn/p7GDmJBLlPTATmLeP3isvAZbK3MDEP2O5UjTVmt LZriTv8xfxYW6emCM54EQjWii64BFWrOeLm9zQqzyaLl53CbIIXqiacV KPteh8GX
nsecwc.nlnetlabs.nl. 3600 IN RRSIG DNSKEY 8 3 3600 20200101000000 20171108114635 565 nsecwc.nlnetlabs.nl. q3bG4e8EtvXKDcNWcyYHeQxLF9l9aJKdmeSubyN6Qc3UVHugd6t3YSxD hlD+g43y7FcdnNHdAPh/jpgC4wtOb5J+5XAuESDHwesmIXOCTJjrb+A8 r+xQK+vsY8FhNZ2r81JZ/KQ/+TcCS5tbYeNZQgENduWAxgGiw3fdrMOV xiU=
ENTRY_END
; response to query of interest
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
_25._tcp.mail.nsecwc.nlnetlabs.nl. IN TLSA
SECTION ANSWER
SECTION AUTHORITY
nsecwc.nlnetlabs.nl. 3600 IN SOA ns.nlnetlabs.nl. ralph.nlnetlabs.nl. 1 14400 3600 604800 3600
nsecwc.nlnetlabs.nl. 3600 IN RRSIG SOA 8 3 3600 20200101000000 20171108114635 565 nsecwc.nlnetlabs.nl. bYibpCDg1LgrnYJgVahgu94LBqLIcNs4iC0SW8LV7pTI1hhuFKbLkO2O ekPdkJAWmu/KTytf8D+cdcK6X/9VS8QCVIF5S0hraHtNezu0f1B5ztg3 7Rqy+uJSucNKoykueAsz2z43GMgO0rGH3bqM7+3ii8p2E2rhzqEtG/D3 qyY=
; NSEC has a label lenght of 3, indication that the original owner name is:
; *.nsecwc.nlnetlabs.nl. The NSEC therefore does no prove the NODATA answer.
_25._tcp.mail.nsecwc.nlnetlabs.nl. 3600 IN NSEC delegation.nsecwc.nlnetlabs.nl. TXT RRSIG NSEC
_25._tcp.mail.nsecwc.nlnetlabs.nl. 3600 IN RRSIG NSEC 8 3 3600 20200101000000 20171108114635 565 nsecwc.nlnetlabs.nl. ddy1MRbshFuFJswlouNGHsZUF/tYu8BOCztY2JuHeTMyWL7rhRKp73q/ 1RAXMwywKsynT5ioY0bMtEQszeIEn29IYaPDHieLAobjF6BMu1kO7U2/ oEBrSHM/fx28BcaM5G4nfCIm3BlhQhWvk1NDHLn3Q26x4hF/dnmFOUet aXw=
SECTION ADDITIONAL
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
_25._tcp.mail.nsecwc.nlnetlabs.nl. IN TLSA
ENTRY_END
; recursion happens here.
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA DO SERVFAIL
SECTION QUESTION
_25._tcp.mail.nsecwc.nlnetlabs.nl. IN TLSA
SECTION ANSWER
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
SCENARIO_END

69
testdata/val_nx_failwc.rpl vendored Normal file
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; config options
; The island of trust is at nsecwc.nlnetlabs.nl
server:
trust-anchor: "nsecwc.nlnetlabs.nl. 10024 IN DS 565 8 2 0C15C04C022700C8713028F6F64CF2343DE627B8F83CDA1C421C65DB 52908A2E"
val-override-date: "20181202115531"
target-fetch-policy: "0 0 0 0 0"
fake-sha1: yes
trust-anchor-signaling: no
stub-zone:
name: "nsecwc.nlnetlabs.nl"
stub-addr: "185.49.140.60"
CONFIG_END
SCENARIO_BEGIN Test validator with nxdomain response with wildcard expanded NSEC record, original NSEC owner does not provide proof for QNAME. CVE-2017-15105 test.
; ns.example.com.
RANGE_BEGIN 0 100
ADDRESS 185.49.140.60
; response to DNSKEY priming query
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NOERROR
SECTION QUESTION
nsecwc.nlnetlabs.nl. IN DNSKEY
SECTION ANSWER
nsecwc.nlnetlabs.nl. 3600 IN DNSKEY 257 3 8 AwEAAbTluF4BfJ/FT7Ak5a3VvYG1AqhT8FXxOsVwGTyueyE/hW+fMFMd QlLMf2Lf/gmsnFgn/p7GDmJBLlPTATmLeP3isvAZbK3MDEP2O5UjTVmt LZriTv8xfxYW6emCM54EQjWii64BFWrOeLm9zQqzyaLl53CbIIXqiacV KPteh8GX
nsecwc.nlnetlabs.nl. 3600 IN RRSIG DNSKEY 8 3 3600 20200101000000 20171108114635 565 nsecwc.nlnetlabs.nl. q3bG4e8EtvXKDcNWcyYHeQxLF9l9aJKdmeSubyN6Qc3UVHugd6t3YSxD hlD+g43y7FcdnNHdAPh/jpgC4wtOb5J+5XAuESDHwesmIXOCTJjrb+A8 r+xQK+vsY8FhNZ2r81JZ/KQ/+TcCS5tbYeNZQgENduWAxgGiw3fdrMOV xiU=
ENTRY_END
; response to query of interest
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR NXDOMAIN
SECTION QUESTION
a.nsecwc.nlnetlabs.nl. IN TXT
SECTION ANSWER
SECTION AUTHORITY
!.nsecwc.nlnetlabs.nl. 3600 IN NSEC delegation.nsecwc.nlnetlabs.nl. TXT RRSIG NSEC
!.nsecwc.nlnetlabs.nl. 3600 IN RRSIG NSEC 8 3 3600 20200101000000 20171108114635 565 nsecwc.nlnetlabs.nl. ddy1MRbshFuFJswlouNGHsZUF/tYu8BOCztY2JuHeTMyWL7rhRKp73q/ 1RAXMwywKsynT5ioY0bMtEQszeIEn29IYaPDHieLAobjF6BMu1kO7U2/ oEBrSHM/fx28BcaM5G4nfCIm3BlhQhWvk1NDHLn3Q26x4hF/dnmFOUet aXw=
nsecwc.nlnetlabs.nl. 3600 IN SOA ns.nlnetlabs.nl. ralph.nlnetlabs.nl. 1 14400 3600 604800 3600
nsecwc.nlnetlabs.nl. 3600 IN RRSIG SOA 8 3 3600 20200101000000 20171108114635 565 nsecwc.nlnetlabs.nl. bYibpCDg1LgrnYJgVahgu94LBqLIcNs4iC0SW8LV7pTI1hhuFKbLkO2O ekPdkJAWmu/KTytf8D+cdcK6X/9VS8QCVIF5S0hraHtNezu0f1B5ztg3 7Rqy+uJSucNKoykueAsz2z43GMgO0rGH3bqM7+3ii8p2E2rhzqEtG/D3 qyY=
SECTION ADDITIONAL
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD DO
SECTION QUESTION
a.nsecwc.nlnetlabs.nl. IN TXT
ENTRY_END
; recursion happens here.
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all
REPLY QR RD RA DO SERVFAIL
SECTION QUESTION
a.nsecwc.nlnetlabs.nl. IN TXT
SECTION ANSWER
SECTION AUTHORITY
SECTION ADDITIONAL
ENTRY_END
SCENARIO_END