Alessio Soldano created WSS-475:
-----------------------------------
Summary: Issue with multiple processing of ReferenceList in
EncryptedKey element
Key: WSS-475
URL: https://issues.apache.org/jira/browse/WSS-475
Project: WSS4J
Issue Type: Bug
Affects Versions: 1.6.9
Reporter: Alessio Soldano
Assignee: Colm O hEigeartaigh
I have an incoming request message looking as follows:
{code:xml}
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";>
<soap:Header xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/";>
<wsse:Security
xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd";
soap:mustUnderstand="1">
...
<wsse:BinarySecurityToken
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";
ValueType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3";
EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary";
wsu:Id="BST-23456">...</wsse:BinarySecurityToken>
<dsig:Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#";
Id="XSIG-7896">
...
<dsig:KeyInfo>
<wsse:SecurityTokenReference>
<wsse:Reference URI="#EK-ABCDE"
ValueType="http://docs.oasis-open.org/wss/oasis-wss-soap-message-security-1.1#EncryptedKey"/>
</wsse:SecurityTokenReference>
</dsig:KeyInfo>
</dsig:Signature>
<dsig:Signature xmlns:dsig="http://www.w3.org/2000/09/xmldsig#";>
...
</dsig:Signature>
<xenc:EncryptedKey xmlns:xenc="http://www.w3.org/2001/04/xmlenc#";
Id="EK-ABCDE">
<xenc:EncryptionMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p";>
<dsig:DigestMethod xmlns:dsig="http://www.w3.org/2000/09/xmldsig#";
Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
</xenc:EncryptionMethod>
<dsig:KeyInfo xmlns:dsig="http://www.w3.org/2000/09/xmldsig#";>
<wsse:SecurityTokenReference
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";
wsu:Id="STR-8901">
<wsse:KeyIdentifier
ValueType="http://docs.oasis-open.org/wss/oasis-wss-soap-message-security-1.1#ThumbprintSHA1";
EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary";>...</wsse:KeyIdentifier>
</wsse:SecurityTokenReference>
</dsig:KeyInfo>
<xenc:CipherData>
<xenc:CipherValue xmlns:xmime="http://www.w3.org/2005/05/xmlmime";
xmime:contentType="application/octet-stream">...</xenc:CipherValue>
</xenc:CipherData>
<xenc:ReferenceList>
<xenc:DataReference URI="#_REF123"/>
</xenc:ReferenceList>
</xenc:EncryptedKey>
</wsse:Security>
</soap:Header>
<soapenv:Body
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";
wsu:Id="Body-5678">
<xenc:EncryptedData xmlns:xenc="http://www.w3.org/2001/04/xmlenc#";
Type="http://www.w3.org/2001/04/xmlenc#Content"; Id="_REF123">
<xenc:EncryptionMethod
Algorithm="http://www.w3.org/2001/04/xmlenc#aes128-cbc"/>
<dsig:KeyInfo xmlns:dsig="http://www.w3.org/2000/09/xmldsig#";>
<wsse:SecurityTokenReference
xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd";>
<wsse:Reference URI="#EK-ABCDE"
ValueType="http://docs.oasis-open.org/wss/oasis-wss-soap-message-security-1.1#EncryptedKey"/>
</wsse:SecurityTokenReference>
</dsig:KeyInfo>
<xenc:CipherData>
<xenc:CipherValue xmlns:xmime="http://www.w3.org/2005/05/xmlmime";
xmime:contentType="application/octet-stream">...</xenc:CipherValue>
</xenc:CipherData>
</xenc:EncryptedData>
</soapenv:Body>
</soapenv:Envelope>
{code}
WSS4J fails on processing this as the ReferenceList within the EncryptedKey is
processed twice (the first time when dealing with XSIG-7896 Signature element
and the second time when actually dealing with the EncryptedKey element). The
second time the ReferenceList is processed, the reference to Id="_REF123" can't
be resolved, as the EncryptedData has likely been decrypted in the previous
pass.
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