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Red Hat Security Advisory 2017-2486-01

Red Hat Security Advisory 2017-2486-01
Posted Aug 17, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2486-01 - Groovy is an agile and dynamic language for the Java Virtual Machine, built upon Java with features inspired by languages like Python, Ruby, and Smalltalk. It seamlessly integrates with all existing Java objects and libraries and compiles straight to Java bytecode so you can use it anywhere you can use Java. Security Fix: It was found that a flaw in Apache groovy library allows remote code execution wherever deserialization occurs in the application. It is possible for an attacker to craft a special serialized object that will execute code directly when deserialized. All applications which rely on serialization and do not isolate the code which deserializes objects are subject to this vulnerability.

tags | advisory, java, remote, code execution, python, ruby
systems | linux, redhat
advisories | CVE-2016-6814
MD5 | 5b48c38a82a5183a49596ef0d8575696

Red Hat Security Advisory 2017-2486-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: groovy security update
Advisory ID: RHSA-2017:2486-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2486
Issue date: 2017-08-17
CVE Names: CVE-2016-6814
=====================================================================

1. Summary:

An update for groovy is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client Optional (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch
Red Hat Enterprise Linux Server Optional (v. 7) - noarch
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

3. Description:

Groovy is an agile and dynamic language for the Java Virtual Machine, built
upon Java with features inspired by languages like Python, Ruby, and
Smalltalk. It seamlessly integrates with all existing Java objects and
libraries and compiles straight to Java bytecode so you can use it anywhere
you can use Java.

Security Fix(es):

* It was found that a flaw in Apache groovy library allows remote code
execution wherever deserialization occurs in the application. It is
possible for an attacker to craft a special serialized object that will
execute code directly when deserialized. All applications which rely on
serialization and do not isolate the code which deserializes objects are
subject to this vulnerability. (CVE-2016-6814)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1413466 - CVE-2016-6814 Apache Groovy: Remote code execution via deserialization

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
groovy-1.8.9-8.el7_4.src.rpm

noarch:
groovy-1.8.9-8.el7_4.noarch.rpm
groovy-javadoc-1.8.9-8.el7_4.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
groovy-1.8.9-8.el7_4.src.rpm

noarch:
groovy-1.8.9-8.el7_4.noarch.rpm
groovy-javadoc-1.8.9-8.el7_4.noarch.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
groovy-1.8.9-8.el7_4.src.rpm

noarch:
groovy-1.8.9-8.el7_4.noarch.rpm
groovy-javadoc-1.8.9-8.el7_4.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

Source:
groovy-1.8.9-8.el7_4.src.rpm

noarch:
groovy-1.8.9-8.el7_4.noarch.rpm
groovy-javadoc-1.8.9-8.el7_4.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2016-6814
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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