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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Red Hat Issues Fix) Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof Content, Modify Files, and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1036521
SecurityTracker URL:  http://securitytracker.com/id/1036521
CVE Reference:   CVE-2016-2830, CVE-2016-2836, CVE-2016-2837, CVE-2016-2838, CVE-2016-5252, CVE-2016-5254, CVE-2016-5258, CVE-2016-5259, CVE-2016-5262, CVE-2016-5263, CVE-2016-5264, CVE-2016-5265   (Links to External Site)
Date:  Aug 3 2016
Impact:   Disclosure of system information, Disclosure of user information, Execution of arbitrary code via local system, Execution of arbitrary code via network, Modification of system information, Modification of user information, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 48.0
Description:   Multiple 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 modify files on the target system. A remote user can bypass security controls on the target system. A remote user can obtain potentially sensitive information on the target system. A remote user can spoof content. A local user can gain elevated privileges on the target system.

A remote user can create specially crafted content that, when loaded by the target user, will execute arbitrary code on the target user's system.

Various memory corruption errors may occur [CVE-2016-2835, CVE-2016-2836].

A heap overflow may occur in nsBidi::BracketData::AddOpening() [CVE-2016-2838].

A stack underflow may occur in mozilla::gfx::BasePoint4d() in the processing of clipping regions in 2D graphics [CVE-2016-5252].

A type confusion error may occur in nsDisplayList::HitTest() [CVE-2016-5263].

A heap overflow may occur in the ClearKey Content Decryption Module (CDM) [CVE-2016-2837].

An integer overflow may occur in WebSocketChannel [CVE-2016-5261].

A use-after-free memory error may occur in nsNodeUtils::NativeAnonymousChildListChange() in the processing of SVG elements [CVE-2016-5264].

A use-after-free memory error may occur in CanonicalizeXPCOMParticipant() [CVE-2016-5259].

A use-after-free memory error may occur in WebRTC [CVE-2016-5258].

A use-after-free memory error may occur in nsXULPopupManager::KeyDown() [CVE-2016-5254].

A use-after-free memory error may occur in js::PreliminaryObjectArray::sweep() [CVE-2016-5255].

A remote user can cause scripting code to execute inside a sandboxed IFRAME that does not permit scripts [CVE-2016-5262].

A remote server can keep a connection open to a target user that has previously requested the favicon after the target user has closed the page to track the target user's IP address as it subsequently changes [CVE-2016-2830].

A remote user can cause the Cairo graphics layer on Linux-based systems (via LibAV) to crash [CVE-2016-2839].

A remote user can use non-ASCII and emjoi characters in 'data:' URLs to spoof URLs in the location bar [CVE-2016-5251].

In certain cases, a local user can exploit a flaw in the Updater on Windows-based systems to potentially gain elevated privileges [CVE-2016-5253].

In certain cases, Firefox session restore data may contain plain text passwords [CVE-2016-5260].

A user can create a specially crafted HTML file and shortcut that, when saved to the same directory on the target user's system and then loaded by the target user, will bypass same origin policy and access potentially sensitive information on the target user's system [CVE-2016-5265].

A remote user can exploit a filtering flaw in the processing of URIs that are dragged by the target user from a web page rendered in Firefox to external software (e.g., local file manager) to modify files on the target user's system [CVE-2016-5266].

A remote user can spoof the addressbar in Firefox for Android via right-to-left character sets combined with left-to-right characters [CVE-2016-5267].

A remote user can pass text as parameters to certain 'about:' URLs to spoof browser content [CVE-2016-5268].

A remote user can trigger a flaw in the Resource Timing API to access certain URLs from the previous page [CVE-2016-5250].

Christian Holler, Tyson Smith, Boris Zbarsky, Byron Campen, Julian Seward, Carsten Book, Gary Kwong, Jesse Ruderman, Andrew McCreight, Phil Ringnalda, Philipp, Toni Huttunen, Atte Kettunen, Bert Massop, Firas Salem, Georg Koppen of the Tor Project, Nils, Samuel Gross,
an anonymous security researcher (via Trend Micro's Zero Day Initiative), Rafay Baloch, Holger Fuhrmannek, Abhishek Arya (Inferno) of the Google Chrome Security Team, Jukka Jylanki, Rafael Gieschke, Looben Yang, Abdulrahman Alqabandi, Mike Kaply, Nikita Arykov, musicDespiteEverything,
and Catalin Dumitru from Amazon 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.

A remote user can modify files on the target system.

A remote user can bypass security controls on the target system.

A remote user can obtain potentially sensitive information on the target system.

A remote user can spoof content.

A local user can gain elevated privileges on the target system.

Solution:   Red Hat has issued a fix for CVE-2016-2830, CVE-2016-2836, CVE-2016-2837, CVE-2016-2838, CVE-2016-5252, CVE-2016-5254, CVE-2016-5258, CVE-2016-5259, CVE-2016-5262, CVE-2016-5263, CVE-2016-5264, and CVE-2016-5265.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2016-1551.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2016-1551.html (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5, 6, 7

Message History:   This archive entry is a follow-up to the message listed below.
Aug 3 2016 Mozilla Firefox Multiple Flaws Let Remote Users Execute Arbitrary Code, Bypass Security Restrictions, Spoof Content, Modify Files, and Obtain Potentially Sensitive Information



 Source Message Contents

Subject:  [RHSA-2016:1551-01] Critical: firefox security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2016:1551-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-1551.html
Issue date:        2016-08-03
CVE Names:         CVE-2016-2830 CVE-2016-2836 CVE-2016-2837 
                   CVE-2016-2838 CVE-2016-5252 CVE-2016-5254 
                   CVE-2016-5258 CVE-2016-5259 CVE-2016-5262 
                   CVE-2016-5263 CVE-2016-5264 CVE-2016-5265 
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 5, Red
Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux (v. 5 server) - i386, ppc, s390x, x86_64
Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

Mozilla Firefox is an open source web browser.

This update upgrades Firefox to version 45.3.0 ESR.

Security Fix(es):

* Multiple flaws were found in the processing of malformed web content. A
web page containing malicious content could cause Firefox to crash or,
potentially, execute arbitrary code with the privileges of the user running
Firefox. (CVE-2016-2836, CVE-2016-5258, CVE-2016-5259, CVE-2016-5252,
CVE-2016-5263, CVE-2016-2830, CVE-2016-2838, CVE-2016-5254, CVE-2016-5262,
CVE-2016-5264, CVE-2016-5265, CVE-2016-2837)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Looben Yang, Carsten Book, Christian Holler, Gary
Kwong, Jesse Ruderman, Andrew McCreight, Phil Ringnalda, Philipp, Toni
Huttunen, Georg Koppen, Abhishek Arya, Atte Kettunen, Nils, Nikita Arykov,
and Abdulrahman Alqabandi as the original reporters.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1342897 - CVE-2016-2830 Mozilla: Favicon network connection persists when page is closed (MFSA 2016-62)
1361974 - CVE-2016-2836 Mozilla: Miscellaneous memory safety hazards (rv:45.3) (MFSA 2016-62)
1361976 - CVE-2016-2838 Mozilla: Buffer overflow rendering SVG with bidirectional content (MFSA 2016-64)
1361979 - CVE-2016-5252 Mozilla: Stack underflow during 2D graphics rendering (MFSA 2016-67)
1361980 - CVE-2016-5254 Mozilla: Use-after-free when using alt key and toplevel menus (MFSA 2016-70)
1361982 - CVE-2016-5258 Mozilla: Use-after-free in DTLS during WebRTC session shutdown (MFSA 2016-72)
1361984 - CVE-2016-5259 Mozilla: Use-after-free in service workers with nested sync events (MFSA 2016-73)
1361987 - CVE-2016-5262 Mozilla: Scripts on marquee tag can execute in sandboxed iframes (MFSA 2016-76)
1361989 - CVE-2016-2837 Mozilla: Buffer overflow in ClearKey Content Decryption Module (CDM) during video playback (MFSA 2016-77)
1361991 - CVE-2016-5263 Mozilla: Type confusion in display transformation (MFSA 2016-78)
1361992 - CVE-2016-5264 Mozilla: Use-after-free when applying SVG effects (MFSA 2016-79)
1361994 - CVE-2016-5265 Mozilla: Same-origin policy violation using local HTML file and saved shortcut file (MFSA 2016-80)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
firefox-45.3.0-1.el5_11.src.rpm

i386:
firefox-45.3.0-1.el5_11.i386.rpm
firefox-debuginfo-45.3.0-1.el5_11.i386.rpm

x86_64:
firefox-45.3.0-1.el5_11.i386.rpm
firefox-45.3.0-1.el5_11.x86_64.rpm
firefox-debuginfo-45.3.0-1.el5_11.i386.rpm
firefox-debuginfo-45.3.0-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
firefox-45.3.0-1.el5_11.src.rpm

i386:
firefox-45.3.0-1.el5_11.i386.rpm
firefox-debuginfo-45.3.0-1.el5_11.i386.rpm

ppc:
firefox-45.3.0-1.el5_11.ppc64.rpm
firefox-debuginfo-45.3.0-1.el5_11.ppc64.rpm

s390x:
firefox-45.3.0-1.el5_11.s390.rpm
firefox-45.3.0-1.el5_11.s390x.rpm
firefox-debuginfo-45.3.0-1.el5_11.s390.rpm
firefox-debuginfo-45.3.0-1.el5_11.s390x.rpm

x86_64:
firefox-45.3.0-1.el5_11.i386.rpm
firefox-45.3.0-1.el5_11.x86_64.rpm
firefox-debuginfo-45.3.0-1.el5_11.i386.rpm
firefox-debuginfo-45.3.0-1.el5_11.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
firefox-45.3.0-1.el6_8.src.rpm

i386:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm

x86_64:
firefox-45.3.0-1.el6_8.x86_64.rpm
firefox-debuginfo-45.3.0-1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

x86_64:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
firefox-45.3.0-1.el6_8.src.rpm

x86_64:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-45.3.0-1.el6_8.x86_64.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
firefox-45.3.0-1.el6_8.src.rpm

i386:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm

ppc64:
firefox-45.3.0-1.el6_8.ppc64.rpm
firefox-debuginfo-45.3.0-1.el6_8.ppc64.rpm

s390x:
firefox-45.3.0-1.el6_8.s390x.rpm
firefox-debuginfo-45.3.0-1.el6_8.s390x.rpm

x86_64:
firefox-45.3.0-1.el6_8.x86_64.rpm
firefox-debuginfo-45.3.0-1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

ppc64:
firefox-45.3.0-1.el6_8.ppc.rpm
firefox-debuginfo-45.3.0-1.el6_8.ppc.rpm

s390x:
firefox-45.3.0-1.el6_8.s390.rpm
firefox-debuginfo-45.3.0-1.el6_8.s390.rpm

x86_64:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
firefox-45.3.0-1.el6_8.src.rpm

i386:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm

x86_64:
firefox-45.3.0-1.el6_8.x86_64.rpm
firefox-debuginfo-45.3.0-1.el6_8.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

x86_64:
firefox-45.3.0-1.el6_8.i686.rpm
firefox-debuginfo-45.3.0-1.el6_8.i686.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
firefox-45.3.0-1.el7_2.src.rpm

x86_64:
firefox-45.3.0-1.el7_2.x86_64.rpm
firefox-debuginfo-45.3.0-1.el7_2.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
firefox-45.3.0-1.el7_2.i686.rpm
firefox-debuginfo-45.3.0-1.el7_2.i686.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
firefox-45.3.0-1.el7_2.src.rpm

ppc64:
firefox-45.3.0-1.el7_2.ppc64.rpm
firefox-debuginfo-45.3.0-1.el7_2.ppc64.rpm

ppc64le:
firefox-45.3.0-1.el7_2.ppc64le.rpm
firefox-debuginfo-45.3.0-1.el7_2.ppc64le.rpm

s390x:
firefox-45.3.0-1.el7_2.s390x.rpm
firefox-debuginfo-45.3.0-1.el7_2.s390x.rpm

x86_64:
firefox-45.3.0-1.el7_2.x86_64.rpm
firefox-debuginfo-45.3.0-1.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
firefox-45.3.0-1.el7_2.ppc.rpm
firefox-debuginfo-45.3.0-1.el7_2.ppc.rpm

s390x:
firefox-45.3.0-1.el7_2.s390.rpm
firefox-debuginfo-45.3.0-1.el7_2.s390.rpm

x86_64:
firefox-45.3.0-1.el7_2.i686.rpm
firefox-debuginfo-45.3.0-1.el7_2.i686.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
firefox-45.3.0-1.el7_2.src.rpm

x86_64:
firefox-45.3.0-1.el7_2.x86_64.rpm
firefox-debuginfo-45.3.0-1.el7_2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
firefox-45.3.0-1.el7_2.i686.rpm
firefox-debuginfo-45.3.0-1.el7_2.i686.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2016-2830
https://access.redhat.com/security/cve/CVE-2016-2836
https://access.redhat.com/security/cve/CVE-2016-2837
https://access.redhat.com/security/cve/CVE-2016-2838
https://access.redhat.com/security/cve/CVE-2016-5252
https://access.redhat.com/security/cve/CVE-2016-5254
https://access.redhat.com/security/cve/CVE-2016-5258
https://access.redhat.com/security/cve/CVE-2016-5259
https://access.redhat.com/security/cve/CVE-2016-5262
https://access.redhat.com/security/cve/CVE-2016-5263
https://access.redhat.com/security/cve/CVE-2016-5264
https://access.redhat.com/security/cve/CVE-2016-5265
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr45.3

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2016 Red Hat, Inc.
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