ESB-2018.0123 - [RedHat] flash-plugin: Multiple vulnerabilities 2018-01-11

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0123
                  Important: flash-plugin security update
                              11 January 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           flash-plugin
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux WS/Desktop 6
                   Red Hat Enterprise Linux Server 6
Impact/Access:     Reduced Security         -- Remote with User Interaction
                   Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-4871 CVE-2017-11305 

Reference:         ESB-2018.0107

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:0081

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                   Red Hat Security Advisory

Synopsis:          Important: flash-plugin security update
Advisory ID:       RHSA-2018:0081-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:0081
Issue date:        2018-01-10
CVE Names:         CVE-2017-11305 CVE-2018-4871 
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1. Summary:

An update for flash-plugin is now available for Red Hat Enterprise Linux 6
Supplementary.

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 Desktop Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) - i386, x86_64

3. Description:

The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash
Player web browser plug-in.

This update upgrades Flash Player to version 28.0.0.137.

Security Fix(es):

* This update fixes multiple vulnerabilities in Adobe Flash Player. These
vulnerabilities, detailed in the Adobe Security Bulletins listed in the
References section, could allow an attacker to create a specially crafted
SWF file that would cause flash-plugin to disclose sensitive information or
modify its settings when the victim loaded a page containing the malicious
SWF content. (CVE-2017-11305, CVE-2018-4871)

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/):

1525508 - CVE-2017-11305 flash-plugin: unintended reset of global settings preference file vulnerability (APSB17-42)
1532810 - CVE-2018-4871 flash-plugin: out-of-bounds read causing information leak (APSB18-01)

6. Package List:

Red Hat Enterprise Linux Desktop Supplementary (v. 6):

i386:
flash-plugin-28.0.0.137-1.el6_9.i686.rpm

x86_64:
flash-plugin-28.0.0.137-1.el6_9.i686.rpm

Red Hat Enterprise Linux Server Supplementary (v. 6):

i386:
flash-plugin-28.0.0.137-1.el6_9.i686.rpm

x86_64:
flash-plugin-28.0.0.137-1.el6_9.i686.rpm

Red Hat Enterprise Linux Workstation Supplementary (v. 6):

i386:
flash-plugin-28.0.0.137-1.el6_9.i686.rpm

x86_64:
flash-plugin-28.0.0.137-1.el6_9.i686.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-2017-11305
https://access.redhat.com/security/cve/CVE-2018-4871
https://access.redhat.com/security/updates/classification/#important
https://helpx.adobe.com/security/products/flash-player/apsb17-42.html
https://helpx.adobe.com/security/products/flash-player/apsb18-01.html

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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