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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Oracle Issues Fix for Oracle Linux) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040555
SecurityTracker URL:  http://securitytracker.com/id/1040555
CVE Reference:   CVE-2018-5146   (Links to External Site)
Date:  Mar 20 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Two vulnerabilities were 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 Vorbis audio data that, when processed by the target user's browser, will trigger an out-of-bounds memory write in libvorbis and execute arbitrary code on the target user's system [CVE-2018-5146].

A remote user can create specially crafted Vorbis audio data that, when processed by the target user's browser, will trigger an out-of-bounds memory write in libtremor and execute arbitrary code on the target user's system [CVE-2018-5147]. Android and ARM platforms are affected.

Richard Zhu (via Trend Micro's Zero Day Initiative and reported through the Pwn2Own contest) and Huzaifa Sidhpurwala 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:   Oracle has issued a fix for CVE-2018-5146.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2018-0549.html

Vendor URL:  linux.oracle.com/errata/ELSA-2018-0549.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Mar 19 2018 Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [El-errata] ELSA-2018-0549 Critical: Oracle Linux 6 firefox security update

Oracle Linux Security Advisory ELSA-2018-0549

http://linux.oracle.com/errata/ELSA-2018-0549.html

The following updated rpms for Oracle Linux 6 have been uploaded to the 
Unbreakable Linux Network:

i386:
firefox-52.7.2-1.0.1.el6_9.i686.rpm

x86_64:
firefox-52.7.2-1.0.1.el6_9.i686.rpm
firefox-52.7.2-1.0.1.el6_9.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/firefox-52.7.2-1.0.1.el6_9.src.rpm



Description of changes:

[52.7.2-1.0.1]
- Add firefox-oracle-default-prefs.js and remove the corresponding Red 
Hat one
- Force requirement of newer gdk-pixbuf2 to ensure a proper update (Todd 
Vierling) [orabug 19847484]

[52.7.2-1]
- Update to 52.7.2 ESR


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