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

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2017:2456-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2456
Issue date:        2017-08-10
CVE Names:         CVE-2017-7753 CVE-2017-7779 CVE-2017-7784 
                   CVE-2017-7785 CVE-2017-7786 CVE-2017-7787 
                   CVE-2017-7791 CVE-2017-7792 CVE-2017-7798 
                   CVE-2017-7800 CVE-2017-7801 CVE-2017-7802 
                   CVE-2017-7803 CVE-2017-7807 CVE-2017-7809 
=====================================================================

1. Summary:

An update for firefox is now available for 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - 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) - aarch64, 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 52.3.0 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-2017-7779, CVE-2017-7798, CVE-2017-7800, CVE-2017-7801,
CVE-2017-7753, CVE-2017-7784, CVE-2017-7785, CVE-2017-7786, CVE-2017-7787,
CVE-2017-7792, CVE-2017-7802, CVE-2017-7807, CVE-2017-7809, CVE-2017-7791,
CVE-2017-7803)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Mozilla developers and community, Frederik Braun,
Looben Yang, Nils, SkyLined, Oliver Wagner, Fraser Tweedale, Mathias
Karlsson, Jose MarAa AcuA+-a, and Rhys Enniks 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/):

1479188 - CVE-2017-7753 Mozilla: Out-of-bounds read with cached style data and pseudo-elements (MFSA 2017-19)
1479191 - CVE-2017-7779 Mozilla: Memory safety bugs fixed in Firefox 55 and Firefox ESR 52.3 (MFSA 2017-19)
1479201 - CVE-2017-7784 Mozilla: Use-after-free with image observers (MFSA 2017-19)
1479203 - CVE-2017-7785 Mozilla: Buffer overflow manipulating ARIA elements in DOM (MFSA 2017-19)
1479205 - CVE-2017-7786 Mozilla: Buffer overflow while painting non-displayable SVG (MFSA 2017-19)
1479206 - CVE-2017-7787 Mozilla: Same-origin policy bypass with iframes through page reloads (MFSA 2017-19)
1479209 - CVE-2017-7791 Mozilla: Spoofing following page navigation with data: protocol and modal alerts (MFSA 2017-19)
1479210 - CVE-2017-7792 Mozilla: Buffer overflow viewing certificates with long OID (MFSA 2017-19)
1479213 - CVE-2017-7798 Mozilla: XUL injection in the style editor in devtools (MFSA 2017-19)
1479218 - CVE-2017-7800 Mozilla: Use-after-free in WebSockets during disconnection (MFSA 2017-19)
1479223 - CVE-2017-7801 Mozilla: Use-after-free with marquee during window resizing (MFSA 2017-19)
1479224 - CVE-2017-7802 Mozilla: Use-after-free resizing image elements (MFSA 2017-19)
1479225 - CVE-2017-7803 Mozilla: CSP directives improperly applied with sandbox flag in iframes (MFSA 2017-19)
1479227 - CVE-2017-7807 Mozilla: Domain hijacking through appcache fallback (MFSA 2017-19)
1479650 - CVE-2017-7809 Mozilla: Use-after-free while deleting attached editor DOM node (MFSA 2017-19)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
firefox-52.3.0-3.el6_9.src.rpm

i386:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm

x86_64:
firefox-52.3.0-3.el6_9.x86_64.rpm
firefox-debuginfo-52.3.0-3.el6_9.x86_64.rpm

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

x86_64:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm

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

Source:
firefox-52.3.0-3.el6_9.src.rpm

x86_64:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-52.3.0-3.el6_9.x86_64.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
firefox-52.3.0-3.el6_9.src.rpm

i386:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm

ppc64:
firefox-52.3.0-3.el6_9.ppc64.rpm
firefox-debuginfo-52.3.0-3.el6_9.ppc64.rpm

s390x:
firefox-52.3.0-3.el6_9.s390x.rpm
firefox-debuginfo-52.3.0-3.el6_9.s390x.rpm

x86_64:
firefox-52.3.0-3.el6_9.x86_64.rpm
firefox-debuginfo-52.3.0-3.el6_9.x86_64.rpm

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

ppc64:
firefox-52.3.0-3.el6_9.ppc.rpm
firefox-debuginfo-52.3.0-3.el6_9.ppc.rpm

s390x:
firefox-52.3.0-3.el6_9.s390.rpm
firefox-debuginfo-52.3.0-3.el6_9.s390.rpm

x86_64:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
firefox-52.3.0-3.el6_9.src.rpm

i386:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm

x86_64:
firefox-52.3.0-3.el6_9.x86_64.rpm
firefox-debuginfo-52.3.0-3.el6_9.x86_64.rpm

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

x86_64:
firefox-52.3.0-3.el6_9.i686.rpm
firefox-debuginfo-52.3.0-3.el6_9.i686.rpm

Red Hat Enterprise Linux Client (v. 7):

Source:
firefox-52.3.0-2.el7_4.src.rpm

x86_64:
firefox-52.3.0-2.el7_4.x86_64.rpm
firefox-debuginfo-52.3.0-2.el7_4.x86_64.rpm

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

x86_64:
firefox-52.3.0-2.el7_4.i686.rpm
firefox-debuginfo-52.3.0-2.el7_4.i686.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
firefox-52.3.0-2.el7_4.src.rpm

aarch64:
firefox-52.3.0-2.el7_4.aarch64.rpm
firefox-debuginfo-52.3.0-2.el7_4.aarch64.rpm

ppc64:
firefox-52.3.0-2.el7_4.ppc64.rpm
firefox-debuginfo-52.3.0-2.el7_4.ppc64.rpm

ppc64le:
firefox-52.3.0-2.el7_4.ppc64le.rpm
firefox-debuginfo-52.3.0-2.el7_4.ppc64le.rpm

s390x:
firefox-52.3.0-2.el7_4.s390x.rpm
firefox-debuginfo-52.3.0-2.el7_4.s390x.rpm

x86_64:
firefox-52.3.0-2.el7_4.x86_64.rpm
firefox-debuginfo-52.3.0-2.el7_4.x86_64.rpm

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

ppc64:
firefox-52.3.0-2.el7_4.ppc.rpm
firefox-debuginfo-52.3.0-2.el7_4.ppc.rpm

s390x:
firefox-52.3.0-2.el7_4.s390.rpm
firefox-debuginfo-52.3.0-2.el7_4.s390.rpm

x86_64:
firefox-52.3.0-2.el7_4.i686.rpm
firefox-debuginfo-52.3.0-2.el7_4.i686.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
firefox-52.3.0-2.el7_4.src.rpm

x86_64:
firefox-52.3.0-2.el7_4.x86_64.rpm
firefox-debuginfo-52.3.0-2.el7_4.x86_64.rpm

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

x86_64:
firefox-52.3.0-2.el7_4.i686.rpm
firefox-debuginfo-52.3.0-2.el7_4.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-2017-7753
https://access.redhat.com/security/cve/CVE-2017-7779
https://access.redhat.com/security/cve/CVE-2017-7784
https://access.redhat.com/security/cve/CVE-2017-7785
https://access.redhat.com/security/cve/CVE-2017-7786
https://access.redhat.com/security/cve/CVE-2017-7787
https://access.redhat.com/security/cve/CVE-2017-7791
https://access.redhat.com/security/cve/CVE-2017-7792
https://access.redhat.com/security/cve/CVE-2017-7798
https://access.redhat.com/security/cve/CVE-2017-7800
https://access.redhat.com/security/cve/CVE-2017-7801
https://access.redhat.com/security/cve/CVE-2017-7802
https://access.redhat.com/security/cve/CVE-2017-7803
https://access.redhat.com/security/cve/CVE-2017-7807
https://access.redhat.com/security/cve/CVE-2017-7809
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/advisories/mfsa2017-19/

8. Contact:

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

Copyright 2017 Red Hat, Inc.
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