SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (Multimedia)  >   Adobe Flash Player Vendors:   Adobe Systems Incorporated
(Red Hat Issues Fix) Adobe Flash Player Use-After-Free Memory Error Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1037133
SecurityTracker URL:  http://securitytracker.com/id/1037133
CVE Reference:   CVE-2016-7855   (Links to External Site)
Date:  Oct 27 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 23.0.0.185 and prior
Description:   A vulnerability was 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 use-after-free memory error and execute arbitrary code on the target user's system.

[Editor's note: This vulnerability is being actively exploited against Windows 7, 8.1, and 10 systems.]

Neel Mehta and Billy Leonard from Google's Threat Analysis Group reported this vulnerability.

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://rhn.redhat.com/errata/RHSA-2016-2119.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2016-2119.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 26 2016 Adobe Flash Player Use-After-Free Memory Error Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2016:2119-01] Critical: flash-plugin security update

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

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

Synopsis:          Critical: flash-plugin security update
Advisory ID:       RHSA-2016:2119-01
Product:           Red Hat Enterprise Linux Supplementary
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-2119.html
Issue date:        2016-10-27
CVE Names:         CVE-2016-7855 
=====================================================================

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 11.2.202.643.

Security Fix(es):

* This update fixes one vulnerability in Adobe Flash Player. This
vulnerability, 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-2016-7855)

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/):

1389033 - CVE-2016-7855 flash-plugin: user-after-free issues fixed in APSB16-36

6. Package List:

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

i386:
flash-plugin-11.2.202.643-1.el5_11.i386.rpm

x86_64:
flash-plugin-11.2.202.643-1.el5_11.i386.rpm

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

i386:
flash-plugin-11.2.202.643-1.el5_11.i386.rpm

x86_64:
flash-plugin-11.2.202.643-1.el5_11.i386.rpm

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

i386:
flash-plugin-11.2.202.643-1.el6_8.i686.rpm

x86_64:
flash-plugin-11.2.202.643-1.el6_8.i686.rpm

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

i386:
flash-plugin-11.2.202.643-1.el6_8.i686.rpm

x86_64:
flash-plugin-11.2.202.643-1.el6_8.i686.rpm

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

i386:
flash-plugin-11.2.202.643-1.el6_8.i686.rpm

x86_64:
flash-plugin-11.2.202.643-1.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-2016-7855
https://access.redhat.com/security/updates/classification/#critical
https://helpx.adobe.com/security/products/flash-player/apsb16-36.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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iD8DBQFYEYC8XlSAg2UNWIIRAujcAJ4rwkEsQoV/2/hgukzk4/GrZnOvLwCfanjg
NxNfj9hHumBa5/VNbb0j74c=
=95Yr
-----END PGP SIGNATURE-----


--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
 
 


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC