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Apache Batik 1.9.1 Information Disclosure

Apache Batik 1.9.1 Information Disclosure
Posted May 24, 2018
Authored by Man Yue Mo

Apache Batik versions 1.0 through 1.9.1 suffer from an information disclosure vulnerability.

tags | advisory, info disclosure
advisories | CVE-2018-8013
MD5 | 1d2475f0abea1eb2d7161ef3d0b57a01

Apache Batik 1.9.1 Information Disclosure

Change Mirror Download
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.

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