Apache Tika wraps the jmatio parser to handle MATLAB files. The parser uses native deserialization on serialized Java objects embedded in MATLAB files. A malicious user could inject arbitrary code into a MATLAB file that would be executed when the object is deserialized. Versions 1.6 through 1.13 are affected.
226a436c7b3ab43566f0b5d55d84ab755d746a38d7b3256777c317a174b2d47eCVE-2016-6809 a Arbitrary Code Execution Vulnerability in Apache Tikaas MATLAB Parser
Severity: Important
Vendor: The Apache Software Foundation
Versions Affected: 1.6-1.13
Description: Apache Tika wraps the jmatio parser (https://github.com/gradusnikov/jmatio) to handle MATLAB files. The parser uses native deserialization on serialized Java objects embedded in MATLAB files. A malicious user could inject arbitrary code into a MATLAB file that would be executed when the object is deserialized.
Mitigation: Turn off MATLAB file parsing or upgrade to Tika 1.14.
Credit: Pierre Ernst of salesforce.com discovered this issue and contributed to the fix.
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