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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3005) Commons-collections object deserialization remote command execution vulnerability
Date Wed, 18 Nov 2015 15:44:11 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3005?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011226#comment-15011226

Stephan Ewen commented on FLINK-3005:

Important issue - we need to banish that from our classpath in any way.

Right now, I think only one class makes use of that: {{JoinHashMap}} (https://github.com/apache/flink/blob/6e0e67d2e0d5180d6fba492e8ab9cc8fb18fdf68/flink-core/src/main/java/org/apache/flink/api/common/operators/util/JoinHashMap.java)

We need to migrate that (to a custom implementation) and then add a maven plugin to enforce
that this is not packaged into the distribution.

[~tedyu] Would you be interested in this?

> Commons-collections object deserialization remote command execution vulnerability
> ---------------------------------------------------------------------------------
>                 Key: FLINK-3005
>                 URL: https://issues.apache.org/jira/browse/FLINK-3005
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Ted Yu
> http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/
> TL;DR: If you have commons-collections on your classpath and accept and process Java
object serialization data, then you may have an exploitable remote command execution vulnerability.
> Brief search in code base for ObjectInputStream reveals several places where the vulnerability

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