Apache Batik 1.9.1 Information Disclosure

CVE-2018-8013:
Apache Batik information disclosure vulnerability

Severity:
Medium

Vendor:
The Apache Software Foundation

Version CVE-2018-8013:
Apache Batik information disclosure vulnerability

Severity:
Medium

Vendor:
The Apache Software Foundation

Versions Affected:
Batik 1.0 - 1.9.1

Description:
When deserializing subclass of `AbstractDocument`, the class takes a
string from the inputStream as the class name which then use it to call the
no-arg constructor of the class.
Fix was to check the class type before calling newInstance in
deserialization.

Mitigation:
Users should upgrade to Batik 1.10+

Credit:
This issue was independently reported by Man Yue Mo.

References:
http://xmlgraphics.apache.org/security.html

The Apache XML Graphics team.