Published: 02/07/2018 Updated: 07/11/2023

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2

VMScore: 606

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

It is possible to configure Apache CXF to use the com.sun.net.ssl implementation via 'System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");'. When this system property is set, CXF uses some reflection to try to make the HostnameVerifier work with the old com.sun.net.ssl.HostnameVerifier interface. However, the default HostnameVerifier implementation in CXF does not implement the method in this interface, and an exception is thrown. However, in Apache CXF before 3.2.5 and 3.1.16 the exception is caught in the reflection code and not properly propagated. What this means is that if you are using the com.sun.net.ssl stack with CXF, an error with TLS hostname verification will not be thrown, leaving a CXF client subject to man-in-the-middle attacks.

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apache cxf
redhat jboss enterprise application platform 7.1.0

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It was discovered that when Apache CXF is configured to use the system property comsunnetsslinternalwwwprotocol ,it uses reflection to make the HostnameVerifier work with old comsunnetsslHostnameVerifier interface Although the CXF implementation throws an exception, which is caught in the reflection code but it is not properly propagated ...

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CVE-2018-8039

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