CVE-2017-7957: Improper Input Validation

April 29, 2017 (updated March 26, 2019)

When a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type ‘void’ during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML(<void/>) call.

References

x-stream.github.io/CVE-2017-7957.html
access.redhat.com/security/cve/cve-2017-7957
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7957
security-tracker.debian.org/tracker/CVE-2017-7957

Code Behaviors & Features

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