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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Oracle Issues Fix for Oracle Linux) Mozilla Firefox PDF Viewer Same-Origin Bypass Lets Remote Users Obtain Potentially Sensitive Information on the Target System
SecurityTracker Alert ID:  1033221
SecurityTracker URL:  http://securitytracker.com/id/1033221
CVE Reference:   CVE-2015-4495   (Links to External Site)
Updated:  Aug 11 2015
Original Entry Date:  Aug 8 2015
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 39.0.3
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can obtain files from the target user's system.

A remote user can create specially crafted content that, when loaded by the target user, will bypass same-origin policy and inject arbitrary JavaScript into the built-in PDF Viewer in the local file context and gain access to files on the target user's system with the privileges of the target user.

This vulnerability is being actively exploited.

Cody Crews reported this vulnerability.

Impact:   A remote user can obtain files 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-2015-1581.html

Vendor URL:  linux.oracle.com/errata/ELSA-2015-1581.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.
Aug 7 2015 Mozilla Firefox PDF Viewer Same-Origin Bypass Lets Remote Users Obtain Potentially Sensitive Information on the Target System



 Source Message Contents

Subject:  [El-errata] ELSA-2015-1581 Important: Oracle Linux 6 firefox security update

Oracle Linux Security Advisory ELSA-2015-1581

http://linux.oracle.com/errata/ELSA-2015-1581.html

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

i386:
firefox-38.1.1-1.0.1.el6_7.i686.rpm

x86_64:
firefox-38.1.1-1.0.1.el6_7.i686.rpm
firefox-38.1.1-1.0.1.el6_7.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/firefox-38.1.1-1.0.1.el6_7.src.rpm



Description of changes:

[38.1.1-1.0.1]
- 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]

[38.1.1-1]
- Update to 38.1.1 ESR


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