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From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-6421) Unchecked reflection calls in PojoSerializer
Date Fri, 05 May 2017 08:24:04 GMT

     [ https://issues.apache.org/jira/browse/FLINK-6421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Metzger updated FLINK-6421:
----------------------------------
    Component/s: Type Serialization System

> Unchecked reflection calls in PojoSerializer
> --------------------------------------------
>
>                 Key: FLINK-6421
>                 URL: https://issues.apache.org/jira/browse/FLINK-6421
>             Project: Flink
>          Issue Type: Bug
>          Components: Type Serialization System
>            Reporter: Ted Yu
>            Priority: Minor
>
> Here is one example:
> {code}
>       String subclassName = source.readUTF();
>       try {
>         actualSubclass = Class.forName(subclassName, true, cl);
> {code}
> subclassName may carry tainted value, allowing an attacker to bypass security checks,
obtain unauthorized data, or execute arbitrary code



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