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This CVE addresses a second path to exploiting the same vulnerability as the one described under CVE-2017-4971.
Applications that do not change the value of the
MvcViewFactoryCreator useSpringBinding property which is disabled by default (i.e. set to
“false”) can be vulnerable to malicious EL expressions in view states that process form submissions but do not have a
Users of affected versions should apply the following mitigation:
Note that generally it is a good practice and recommended to always use explicit data binding declarations in view states in order to prevent form submissions from setting fields on the target object that should not be set.
Users of Spring Web Flow with JSF are not impacted by this report.
The issue was identified by security researcher he1renyagao.
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