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Apache CXF Failed Element Verification

Apache CXF Failed Element Verification
Posted Jun 8, 2012
Authored by Colm O hEigeartaigh | Site cxf.apache.org

Apache CXF does not verify that elements were signed or encrypted by a particular Supporting Token. This affects all released versions as of 06/08/2012.

tags | advisory
advisories | CVE-2012-2379
MD5 | 134f655bfffaf5a415493f9f5781ac60

Apache CXF Failed Element Verification

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Hash: SHA1


CVE-2012-2379: Apache CXF does not verify that elements were signed or
encrypted by a particular Supporting Token.

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:

This vulnerability affects all released versions of Apache CXF.

Description:

Apache CXF currently validates WS-SecurityPolicy SignedParts,
SignedElements,
EncryptedParts and EncryptedElements policies by checking to see if the
matching elements are signed or encrypted if they are included in the
request.
However, CXF does not ensure that the elements were signed or encrypted by
a particular token, if these policies are specified as children of a
Supporting Token. For example, the following policy requires that (the
private
key associated with) an X.509 Token sign the WS-Addressing "To" header. CXF
currently checks to see whether the header was signed, but not by a X.509
Token in particular:

<sp:SupportingToken>
<sp:X509Token sp:IncludeToken="...">...</sp:X509Token>
<sp:SignedParts>
<sp:Header Name="To" Namespace="http://www.w3.org/2005/08/addressing"
/>
</sp:SignedParts>
</sp:SupportingToken>

Note that this applies for both WS-SecurityPolicy 1.1 and 1.2 policies.

This has been fixed in revision:

http://svn.apache.org/viewvc?rev=1338219&view=rev

All released versions of CXF are affected.

Migration:

Users of CXF prior to 2.4.x should upgrade to either 2.4.8, 2.5.4, or 2.6.1.
CXF 2.4.5 to 2.4.7 users should upgrade to 2.4.8 as soon as possible.
CXF 2.5.1 to 2.5.3 users should upgrade to 2.5.4 as soon as possible.
CXF 2.6.0 users should upgrade to 2.6.1 as soon as possible.

References: http://cxf.apache.org/security-advisories.html

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--
Colm O hEigeartaigh

Talend Community Coder
http://coders.talend.com

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