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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1037370
SecurityTracker URL:  http://securitytracker.com/id/1037370
CVE Reference:   CVE-2016-9079   (Links to External Site)
Updated:  Dec 1 2016
Original Entry Date:  Nov 30 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:   The vendor has issued a fix (50.0.2; ESR 45.5.1).

The vendor advisory is available at:

https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/

Vendor URL:  www.mozilla.org/en-US/security/advisories/mfsa2016-92/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 1 2016 (Mozilla Issues Fix for Mozilla Thunderbird) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Mozilla has issued a fix for Mozilla Thunderbird.
Dec 1 2016 (Ubuntu Issues Fix) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10.
Dec 1 2016 (Ubuntu Issues Fix for Mozilla Thunderbird) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Mozilla Thunderbird for Ubuntu Linux 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10.
Dec 1 2016 (Red Hat Issues Fix) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 5, 6, and 7.
Dec 2 2016 (Oracle Issues Fix for Oracle Linux) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Oracle has issued a fix for Oracle Linux 5, 6, and 7.
Dec 5 2016 (Red Hat Issues Fix for Mozilla Thunderbird) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Mozilla Thunderbird for Red Hat Enterprise Linux 5, 6, and 7.
Dec 5 2016 (Oracle Issues Fix for Oracle Linux for Mozilla Thunderbird) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
Oracle has issued a fix for Mozilla Thunderbird for Oracle Linux 6 and 7.
Dec 5 2016 (CentOS Issues Fix) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
CentOS has issued a fix for CentOS 5 and 6.
Dec 7 2016 (CentOS Issues Fix for Mozilla Thunderbird) Mozilla Firefox Use-After-Free Memory Error in SVG Animation Lets Remote Users Execute Arbitrary Code
CentOS has issued a fix for Mozilla Thunderbird for CentOS 5 and 6.



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