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Gentoo Linux Security Advisory                           GLSA 202003-01
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Groovy: Arbitrary code execution
     Date: March 07, 2020
     Bugs: #605690
       ID: 202003-01

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Synopsis
========

A vulnerability within serialization might allow remote attackers to
execute arbitrary code.

Background
==========

A multi-faceted language for the Java platform

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-java/groovy              <= 2.4.5                 Vulnerable!
    -------------------------------------------------------------------
     NOTE: Certain packages are still vulnerable. Users should migrate
           to another package if one is available or wait for the
           existing packages to be marked stable by their
           architecture maintainers.

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

It was discovered that there was a vulnerability within the Java
serialization/deserialization process.

Impact
======

An attacker, by crafting a special serialized object, could execute
arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

Gentoo has discontinued support for Groovy. We recommend that users
unmerge Groovy:

  # emerge --unmerge "dev-java/groovy"

References
==========

[ 1 ] CVE-2016-6814
      https://nvd.nist.gov/vuln/detail/CVE-2016-6814

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

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

 https://security.gentoo.org/glsa/202003-01

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 2020 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.

https://creativecommons.org/licenses/by-sa/2.5