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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1590
                     Critical: firefox security update
                                7 May 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           firefox
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 8
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-9813 CVE-2019-9810 CVE-2019-9796
                   CVE-2019-9795 CVE-2019-9793 CVE-2019-9792
                   CVE-2019-9791 CVE-2019-9790 CVE-2019-9788
                   CVE-2018-18506  

Reference:         ASB-2019.0087
                   ASB-2019.0083
                   ESB-2019.1133.2
                   ESB-2019.1132

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2019:0966

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                   Red Hat Security Advisory

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2019:0966-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0966
Issue date:        2019-05-07
CVE Names:         CVE-2018-18506 CVE-2019-9788 CVE-2019-9790 
                   CVE-2019-9791 CVE-2019-9792 CVE-2019-9793 
                   CVE-2019-9795 CVE-2019-9796 CVE-2019-9810 
                   CVE-2019-9813 
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.

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 AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 60.6.1 ESR. (BZ#1690308)

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6
(CVE-2019-9788)

* Mozilla: Use-after-free when removing in-use DOM elements (CVE-2019-9790)

* Mozilla: Type inference is incorrect for constructors entered through
on-stack replacement with IonMonkey (CVE-2019-9791)

* Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script
(CVE-2019-9792)

* Mozilla: IonMonkey MArraySlice has incorrect alias information
(CVE-2019-9810)

* Mozilla: Ionmonkey type confusion with __proto__ mutations
(CVE-2019-9813)

* Mozilla: Improper bounds checks when Spectre mitigations are disabled
(CVE-2019-9793)

* Mozilla: Type-confusion in IonMonkey JIT compiler (CVE-2019-9795)

* Mozilla: Use-after-free with SMIL animation controller (CVE-2019-9796)

* Mozilla: Proxy Auto-Configuration file can define localhost access to be
proxied (CVE-2018-18506)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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/):

1690308 - update ff to ESR 60.6[ZStream Clone]
1690673 - CVE-2018-18506 Mozilla: Proxy Auto-Configuration file can define localhost access to be proxied
1690674 - CVE-2019-9788 Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6
1690675 - CVE-2019-9790 Mozilla: Use-after-free when removing in-use DOM elements
1690676 - CVE-2019-9791 Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey
1690677 - CVE-2019-9792 Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script
1690678 - CVE-2019-9793 Mozilla: Improper bounds checks when Spectre mitigations are disabled
1690680 - CVE-2019-9795 Mozilla: Type-confusion in IonMonkey JIT compiler
1690681 - CVE-2019-9796 Mozilla: Use-after-free with SMIL animation controller
1692181 - CVE-2019-9810 Mozilla: IonMonkey MArraySlice has incorrect alias information
1692182 - CVE-2019-9813 Mozilla: Ionmonkey type confusion with __proto__ mutations

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
firefox-60.6.1-1.el8.src.rpm

aarch64:
firefox-60.6.1-1.el8.aarch64.rpm
firefox-debuginfo-60.6.1-1.el8.aarch64.rpm
firefox-debugsource-60.6.1-1.el8.aarch64.rpm

ppc64le:
firefox-60.6.1-1.el8.ppc64le.rpm
firefox-debuginfo-60.6.1-1.el8.ppc64le.rpm
firefox-debugsource-60.6.1-1.el8.ppc64le.rpm

s390x:
firefox-60.6.1-1.el8.s390x.rpm
firefox-debuginfo-60.6.1-1.el8.s390x.rpm
firefox-debugsource-60.6.1-1.el8.s390x.rpm

x86_64:
firefox-60.6.1-1.el8.x86_64.rpm
firefox-debuginfo-60.6.1-1.el8.x86_64.rpm
firefox-debugsource-60.6.1-1.el8.x86_64.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-2018-18506
https://access.redhat.com/security/cve/CVE-2019-9788
https://access.redhat.com/security/cve/CVE-2019-9790
https://access.redhat.com/security/cve/CVE-2019-9791
https://access.redhat.com/security/cve/CVE-2019-9792
https://access.redhat.com/security/cve/CVE-2019-9793
https://access.redhat.com/security/cve/CVE-2019-9795
https://access.redhat.com/security/cve/CVE-2019-9796
https://access.redhat.com/security/cve/CVE-2019-9810
https://access.redhat.com/security/cve/CVE-2019-9813
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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