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Gentoo Linux Security Advisory GLSA 201710-28
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https://security.gentoo.org/
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Severity: Normal
Title: Jython: Arbitrary code execution
Date: October 29, 2017
Bugs: #621876
ID: 201710-28

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Synopsis
========

A vulnerability in Jython may lead to arbitrary code execution.

Background
==========

An implementation of Python written in Java.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 dev-java/jython < 2.7.0-r2 >= 2.7.0-r2

Description
===========

It was found that Jython is vulnerable to arbitrary code execution by
sending a serialized function to the deserializer.

Impact
======

Remote execution of arbitrary code by enticing a user to execute
malicious code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Jython users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=dev-java/jython-2.7.0-r2”

References
==========

[ 1 ] CVE-2016-4000
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4000

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201710-28

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2017 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

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