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Category:   Application (Multimedia)  >   Adobe Flash Player Vendors:   Adobe Systems Incorporated
(Red Hat Issues Fix) Adobe Flash Player Multiple Flaws Let Remote Users Bypass Security Restrictions and Execute Arbitrary Code
SecurityTracker Alert ID:  1037001
SecurityTracker URL:  http://securitytracker.com/id/1037001
CVE Reference:   CVE-2016-4273, CVE-2016-4286, CVE-2016-6981, CVE-2016-6982, CVE-2016-6983, CVE-2016-6984, CVE-2016-6985, CVE-2016-6986, CVE-2016-6987, CVE-2016-6989, CVE-2016-6990, CVE-2016-6992   (Links to External Site)
Date:  Oct 12 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 23.0.0.162 and prior
Description:   Multiple vulnerabilities were reported in Adobe Flash Player. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can bypass security controls on the target system.

A remote user can create specially crafted content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A type confusion error may occur [CVE-2016-6992].

A use-after-free memory error may occur [CVE-2016-6981, CVE-2016-6987].

Memory corruption errors may occur [CVE-2016-4273, CVE-2016-6982, CVE-2016-6983, CVE-2016-6984, CVE-2016-6985, CVE-2016-6986, CVE-2016-6989, CVE-2016-6990].

A remote user can bypass security controls on the target system [CVE-2016-4286].

Akitsu Madoka (via Trend Micro's Zero Day Initiative), Francis Provencher from COSIG, Jie Zeng of Tencent Zhanlu Lab, JieZeng of Tencent Zhanlu Lab (via the Chromium Vulnerability Rewards Program), Jordy Kersten, Tao Yan of Palo Alto Networks, b0nd@Garage4Hackers (via Trend Micro's Zero Day Initiative), bo13oy of CloverSec Labs (via the Chromium Vulnerability Rewards Program), and willJ of Tencent PC Manager reported these vulnerabilities.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can bypass security controls on the target system.

Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2016-2057.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2016-2057.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5, 6

Message History:   This archive entry is a follow-up to the message listed below.
Oct 11 2016 Adobe Flash Player Multiple Flaws Let Remote Users Bypass Security Restrictions and Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2016:2057-01] Critical: flash-plugin security update

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

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2016:2057-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-2057.html
Issue date:        2016-10-12
CVE Names:         CVE-2016-4273 CVE-2016-4286 CVE-2016-6981 
                   CVE-2016-6982 CVE-2016-6983 CVE-2016-6984 
                   CVE-2016-6985 CVE-2016-6986 CVE-2016-6987 
                   CVE-2016-6989 CVE-2016-6990 CVE-2016-6992 
=====================================================================

1. Summary:

An update for flash-plugin is now available for Red Hat Enterprise Linux 5
Supplementary and Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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. 5) - i386, x86_64
Red Hat Enterprise Linux Desktop Supplementary (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 5) - 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 11.2.202.637.

Security Fix(es):

* This update fixes multiple vulnerabilities in Adobe Flash Player. These
vulnerabilities, detailed in the Adobe Security Bulletin listed in the
References section, could allow an attacker to create a specially crafted
SWF file that would cause flash-plugin to crash, execute arbitrary code, or
disclose sensitive information when the victim loaded a page containing the
malicious SWF content. (CVE-2016-4273, CVE-2016-4286, CVE-2016-6981,
CVE-2016-6982, CVE-2016-6983, CVE-2016-6984, CVE-2016-6985, CVE-2016-6986,
CVE-2016-6987, CVE-2016-6989, CVE-2016-6990, CVE-2016-6992)

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/):

1383931 - CVE-2016-4273 CVE-2016-4286 CVE-2016-6981 CVE-2016-6982 CVE-2016-6983 CVE-2016-6984 CVE-2016-6985 CVE-2016-6986 CVE-2016-6987 CVE-2016-6989 CVE-2016-6990 CVE-2016-6992 flash-plugin: multiple code execution issues fixed in APSB16-32

6. Package List:

Red Hat Enterprise Linux Desktop Supplementary (v. 5):

i386:
flash-plugin-11.2.202.637-1.el5_11.i386.rpm

x86_64:
flash-plugin-11.2.202.637-1.el5_11.i386.rpm

Red Hat Enterprise Linux Server Supplementary (v. 5):

i386:
flash-plugin-11.2.202.637-1.el5_11.i386.rpm

x86_64:
flash-plugin-11.2.202.637-1.el5_11.i386.rpm

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

i386:
flash-plugin-11.2.202.637-1.el6_8.i686.rpm

x86_64:
flash-plugin-11.2.202.637-1.el6_8.i686.rpm

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

i386:
flash-plugin-11.2.202.637-1.el6_8.i686.rpm

x86_64:
flash-plugin-11.2.202.637-1.el6_8.i686.rpm

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

i386:
flash-plugin-11.2.202.637-1.el6_8.i686.rpm

x86_64:
flash-plugin-11.2.202.637-1.el6_8.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-2016-4273
https://access.redhat.com/security/cve/CVE-2016-4286
https://access.redhat.com/security/cve/CVE-2016-6981
https://access.redhat.com/security/cve/CVE-2016-6982
https://access.redhat.com/security/cve/CVE-2016-6983
https://access.redhat.com/security/cve/CVE-2016-6984
https://access.redhat.com/security/cve/CVE-2016-6985
https://access.redhat.com/security/cve/CVE-2016-6986
https://access.redhat.com/security/cve/CVE-2016-6987
https://access.redhat.com/security/cve/CVE-2016-6989
https://access.redhat.com/security/cve/CVE-2016-6990
https://access.redhat.com/security/cve/CVE-2016-6992
https://access.redhat.com/security/updates/classification/#critical
https://helpx.adobe.com/security/products/flash-player/apsb16-32.html

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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