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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Oracle Issues Fix for Oracle Linux) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1037384
SecurityTracker URL:  http://securitytracker.com/id/1037384
CVE Reference:   CVE-2016-9079   (Links to External Site)
Date:  Dec 2 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 50.0.1; possibly earlier versions
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create specially crafted JavaScript that, when loaded by the target user, will trigger a use-after-free memory error in SVG Animation and execute arbitrary code on the target user's system.

This vulnerability is being actively exploited against Firefox and the Tor Browser on Windows-based systems.

Exploit code is available at:

https://lists.torproject.org/pipermail/tor-talk/2016-November/042639.html

Obscured Team reported this vulnerability.

Impact:   A remote user can create JavaScript content that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2016-2843.html

Vendor URL:  linux.oracle.com/errata/ELSA-2016-2843.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  5, 6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Nov 30 2016 Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [El-errata] ELSA-2016-2843 Critical: Oracle Linux 7 firefox security update

Oracle Linux Security Advisory ELSA-2016-2843

http://linux.oracle.com/errata/ELSA-2016-2843.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
firefox-45.5.1-1.0.1.el7_3.i686.rpm
firefox-45.5.1-1.0.1.el7_3.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/firefox-45.5.1-1.0.1.el7_3.src.rpm



Description of changes:

[45.5.1-1.0.1]
- Add firefox-oracle-default-prefs.js and 
firefox-oracle-default-bookmarks.html
   and remove the corresponding Red Hat files

[45.5.1-1]
- Update to 45.5.1 ESR


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