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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1040544
SecurityTracker URL:  http://securitytracker.com/id/1040544
CVE Reference:   CVE-2018-5146, CVE-2018-5147   (Links to External Site)
Date:  Mar 19 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:   The vendor has issued a fix (59.0.1; ESR 52.7.2).

The vendor advisory is available at:

https://www.mozilla.org/en-US/security/advisories/mfsa2018-08/

Vendor URL:  www.mozilla.org/en-US/security/advisories/mfsa2018-08/ (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.
Mar 19 2018 (Red Hat Issues Fix) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6 and 7.
Mar 19 2018 (Ubuntu Issues Fix) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, and 17.10.
Mar 20 2018 (Oracle Issues Fix for Oracle Linux) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
Oracle has issued a fix for Oracle Linux 6 and 7.
Mar 21 2018 (CentOS Issues Fix) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
CentOS has issued a fix for CentOS 6 and 7.
Mar 30 2018 (Ubuntu Issues Fix for Mozilla Thunderbird) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
Ubuntu has issued a fix for Mozilla Thunderbird for Ubuntu Linux 14.04 LTS, 16.04 LTS, and 17.10..
Apr 5 2018 (Red Hat Issues Fix for Mozilla Thunderbird) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Mozilla Thunderbird for Red Hat Enterprise Linux 6.
Apr 5 2018 (Red Hat Issues Fix for Mozilla Thunderbird) Mozilla Firefox Out-of-bounds Memory Write Error in libvorbis/libtremor Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Mozilla Thunderbird for Red Hat Enterprise Linux 7.



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