saml: add tests case covering tampered NameID field (comment)
As sketched here: https://developer.okta.com/blog/2018/02/27/a-breakdown-of-the-new-saml-authentication-bypass-vulnerability Thought it was interesting to see how our SAML connector behaved. And it seems to be behaving well. :) Signed-off-by: Stephan Renatus <srenatus@chef.io>
This commit is contained in:
Stephan Renatus
parent
39a66d1496
commit
608260d0f1
@ -262,6 +262,20 @@ func TestTwoAssertionFirstSigned(t *testing.T) {
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test.run(t)
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}
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func TestTamperedResponseNameID(t *testing.T) {
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test := responseTest{
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caFile: "testdata/ca.crt",
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respFile: "testdata/tampered-resp.xml",
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now: "2017-04-04T04:34:59.330Z",
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usernameAttr: "Name",
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emailAttr: "email",
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inResponseTo: "6zmm5mguyebwvajyf2sdwwcw6m",
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redirectURI: "http://127.0.0.1:5556/dex/callback",
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wantErr: true,
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}
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test.run(t)
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}
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func loadCert(ca string) (*x509.Certificate, error) {
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data, err := ioutil.ReadFile(ca)
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if err != nil {
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79
connector/saml/testdata/tampered-resp.xml
vendored
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79
connector/saml/testdata/tampered-resp.xml
vendored
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@ -0,0 +1,79 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<saml2p:Response xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xs="http://www.w3.org/2001/XMLSchema" Destination="http://127.0.0.1:5556/dex/callback" ID="id19906521125278359305566047" InResponseTo="6zmm5mguyebwvajyf2sdwwcw6m" IssueInstant="2017-04-04T04:34:59.330Z" Version="2.0">
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<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
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<SignedInfo>
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<CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
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<SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
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<Reference>
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<Transforms>
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<Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/>
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<Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
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</Transforms>
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<DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
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<DigestValue>ew38E1LGMwYT+0gUZNq0RacD3GM=</DigestValue>
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</Reference>
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</SignedInfo>
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<SignatureValue>TQ84pCaZAyEDBGkNafTMfwPUWujFvmdoXzyYMXZURIlKhA8Pv1bIZfzQ5MgbQr1W
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z2Ye99/hss24Y4ueNT9nS+53LvDekhNctFGYfgdMjrbxs8Awo3KnbvveDib5zGvk
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fWd/0/QLvlbFd/3670QGb5JQE1nD9mlAqPonyQgoufk63gEM84+tU71cAM7XKiy6
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09MC0y4s967qRAiLAtfgKbvi+46HkF/g+WsS74Wa8cu/A863URt56W0cogRjHWpQ
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B+q8/FyVeJRE0NlrOjhnsgTU2QJtvkxYYvqIpRDbMv53NLKeAFvRhOcyJxhFXtSj
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LF/oPMjbmHji4ylFiAlQWw==</SignatureValue>
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<KeyInfo>
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<X509Data>
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<X509Certificate>MIIDGTCCAgGgAwIBAgIJAKLbLcQajEf8MA0GCSqGSIb3DQEBCwUAMCMxDDAKBgNV
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BAoMA0RFWDETMBEGA1UEAwwKY29yZW9zLmNvbTAeFw0xNzA0MDQwNzAwNTNaFw0z
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NzAzMzAwNzAwNTNaMCMxDDAKBgNVBAoMA0RFWDETMBEGA1UEAwwKY29yZW9zLmNv
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bTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKH3dKWbRqCIZD2m3aHI
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4lfBT+u/4DECde74Ggq9WugdTucVQzDZUTaI7wzn17JM9hdPmXvaSRG9BaB1H3uO
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ZCs/fmdhBERRhPvuEVfAZaFfQfR7vn7WvUzT7zwMLLB8+EHzL3fOSGM2QnCOMeUD
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AB27Pb0fuBW43NXaTD9rwfFCHvo1UP+TBJIPnV65HMeMGIrtGLt7MZTPuPm3LnYA
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faXLf2vWSzL5nAgnJvUgceZXmyuciBfXpt8c1jIsj4y3tBoRTRqaxuaW1Eo7WMKF
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a7s6KvTBKErPKuzAoIcVB4ir6jm1ticAgB72SScKtPJJdEPemTXRNNzkiw7VbpY9
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QacCAwEAAaNQME4wHQYDVR0OBBYEFNHyGYyY2+eZ1l7ZLPZsnc3GOtj/MB8GA1Ud
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IwQYMBaAFNHyGYyY2+eZ1l7ZLPZsnc3GOtj/MAwGA1UdEwQFMAMBAf8wDQYJKoZI
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hvcNAQELBQADggEBAHVXB5QmZfki9QpKzoiBNfpQ/mo6XWhExLGBTJXEWJT3P7JP
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oR4Z0+85bp0fUK338s+WjyqTn0U55Jtp0B65Qxy6ythkZat/6NPp/S7gto2De6pS
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hSGygokQioVQnoYQeK0MXl2QbtrWwNiM4HC+9yohbUfjwv8yI7opwn/rjB6X/4De
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oX2YzwTBJgoIXF7zMKYFF0DrKQjbTQr/a7kfNjq4930o7VhFph9Qpdv0EWM3svTd
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esSffLKbWcabtyMtCr5QyEwZiozd567oWFWZYeHQyEtd+w6tAFmz9ZslipdQEa/j
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1xUtrScuXt19sUfOgjUvA+VUNeMLDdpHUKHNW/Q=</X509Certificate>
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</X509Data>
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</KeyInfo>
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</Signature>
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<saml2:Issuer xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" Format="urn:oasis:names:tc:SAML:2.0:nameid-format:entity">http://www.okta.com/exk91cb99lKkKSYoy0h7</saml2:Issuer>
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<saml2p:Status xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
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<saml2p:StatusCode Value="urn:oasis:names:tc:SAML:2.0:status:Success"/>
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</saml2p:Status>
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<saml2:Assertion xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:xs="http://www.w3.org/2001/XMLSchema" ID="id199065211253338521862321146" IssueInstant="2017-04-04T04:34:59.330Z" Version="2.0">
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<saml2:Issuer xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" Format="urn:oasis:names:tc:SAML:2.0:nameid-format:entity">http://www.okta.com/exk91cb99lKkKSYoy0h7</saml2:Issuer>
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<saml2:Subject xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion">
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<saml2:NameID Format="urn:oasis:names:tc:SAML:2.0:nameid-format:persistent">not<!-- comment -->eric.chiang+okta@coreos.com</saml2:NameID>
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<saml2:SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:bearer">
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<saml2:SubjectConfirmationData InResponseTo="6zmm5mguyebwvajyf2sdwwcw6m" NotOnOrAfter="2017-04-04T04:39:59.330Z" Recipient="http://127.0.0.1:5556/dex/callback"/>
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</saml2:SubjectConfirmation>
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</saml2:Subject>
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<saml2:Conditions xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" NotBefore="2017-04-04T04:29:59.330Z" NotOnOrAfter="2017-04-04T04:39:59.330Z">
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<saml2:AudienceRestriction>
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<saml2:Audience>http://127.0.0.1:5556/dex/callback</saml2:Audience>
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</saml2:AudienceRestriction>
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</saml2:Conditions>
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<saml2:AuthnStatement xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" AuthnInstant="2017-04-04T04:34:59.330Z" SessionIndex="6zmm5mguyebwvajyf2sdwwcw6m">
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<saml2:AuthnContext>
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<saml2:AuthnContextClassRef>urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport</saml2:AuthnContextClassRef>
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</saml2:AuthnContext>
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</saml2:AuthnStatement>
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<saml2:AttributeStatement xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion">
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<saml2:Attribute Name="email" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:unspecified">
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<saml2:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">eric.chiang+okta@coreos.com</saml2:AttributeValue>
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</saml2:Attribute>
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<saml2:Attribute Name="Name" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:unspecified">
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<saml2:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">Eric</saml2:AttributeValue>
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</saml2:Attribute>
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<saml2:Attribute Name="groups" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:unspecified">
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<saml2:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">Everyone</saml2:AttributeValue>
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<saml2:AttributeValue xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">Admins</saml2:AttributeValue>
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</saml2:Attribute>
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</saml2:AttributeStatement>
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</saml2:Assertion>
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</saml2p:Response>
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