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Category:   Application (Multimedia)  >   Adobe Flash Vendors:   Adobe Systems Incorporated
(Red Hat Issues Fix) Adobe Flash Player Memory Corruption Bugs Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1039355
SecurityTracker URL:  http://securitytracker.com/id/1039355
CVE Reference:   CVE-2017-11281, CVE-2017-11282   (Links to External Site)
Date:  Sep 13 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 26.0.0.151 and prior
Description:   Two 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 create specially crafted content that, when loaded by the target user, will trigger a memory corruption error and execute arbitrary code on the target user's system.

Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero 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.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://access.redhat.com/errata/RHSA-2017:2702

Vendor URL:  access.redhat.com/errata/RHSA-2017:2702 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Sep 12 2017 Adobe Flash Player Memory Corruption Bugs Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2017:2702-01] Critical: flash-plugin security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2017:2702-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2702
Issue date:        2017-09-13
CVE Names:         CVE-2017-11281 CVE-2017-11282 
=====================================================================

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 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. 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 27.0.0.130.

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-2017-11281, CVE-2017-11282)

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/):

1491110 - CVE-2017-11281 CVE-2017-11282 flash-plugin: multiple code execution issues fixed in APSB17-28

6. Package List:

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

i386:
flash-plugin-27.0.0.130-1.el6_9.i686.rpm

x86_64:
flash-plugin-27.0.0.130-1.el6_9.i686.rpm

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

i386:
flash-plugin-27.0.0.130-1.el6_9.i686.rpm

x86_64:
flash-plugin-27.0.0.130-1.el6_9.i686.rpm

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

i386:
flash-plugin-27.0.0.130-1.el6_9.i686.rpm

x86_64:
flash-plugin-27.0.0.130-1.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-2017-11281
https://access.redhat.com/security/cve/CVE-2017-11282
https://access.redhat.com/security/updates/classification/#critical
https://helpx.adobe.com/security/products/flash-player/apsb17-28.html

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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