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

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2020:5237-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:5237
Issue date:        2020-11-30
CVE Names:         CVE-2020-16012 CVE-2020-26951 CVE-2020-26953 
                   CVE-2020-26956 CVE-2020-26958 CVE-2020-26959 
                   CVE-2020-26960 CVE-2020-26961 CVE-2020-26965 
                   CVE-2020-26968 
====================================================================
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 Important. 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 78.5.0 ESR.

Security Fix(es):

* Mozilla: Parsing mismatches could confuse and bypass security sanitizer
for chrome privileged code (CVE-2020-26951)

* Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5
(CVE-2020-26968)

* Mozilla: Variable time processing of cross-origin images during drawImage
calls (CVE-2020-16012)

* Mozilla: Fullscreen could be enabled without displaying the security UI
(CVE-2020-26953)

* Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)

* Mozilla: Requests intercepted through ServiceWorkers lacked MIME type
restrictions (CVE-2020-26958)

* Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)

* Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)

* Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)

* Mozilla: Software keyboards may have remembered typed passwords
(CVE-2020-26965)

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/):

1898731 - CVE-2020-26951 Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code
1898732 - CVE-2020-16012 Mozilla: Variable time processing of cross-origin images during drawImage calls
1898733 - CVE-2020-26953 Mozilla: Fullscreen could be enabled without displaying the security UI
1898734 - CVE-2020-26956 Mozilla: XSS through paste (manual and clipboard API)
1898735 - CVE-2020-26958 Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions
1898736 - CVE-2020-26959 Mozilla: Use-after-free in WebRequestService
1898737 - CVE-2020-26960 Mozilla: Potential use-after-free in uses of nsTArray
1898738 - CVE-2020-26961 Mozilla: DoH did not filter IPv4 mapped IP Addresses
1898739 - CVE-2020-26965 Mozilla: Software keyboards may have remembered typed passwords
1898741 - CVE-2020-26968 Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
firefox-78.5.0-1.el8_3.src.rpm

aarch64:
firefox-78.5.0-1.el8_3.aarch64.rpm
firefox-debuginfo-78.5.0-1.el8_3.aarch64.rpm
firefox-debugsource-78.5.0-1.el8_3.aarch64.rpm

ppc64le:
firefox-78.5.0-1.el8_3.ppc64le.rpm
firefox-debuginfo-78.5.0-1.el8_3.ppc64le.rpm
firefox-debugsource-78.5.0-1.el8_3.ppc64le.rpm

s390x:
firefox-78.5.0-1.el8_3.s390x.rpm
firefox-debuginfo-78.5.0-1.el8_3.s390x.rpm
firefox-debugsource-78.5.0-1.el8_3.s390x.rpm

x86_64:
firefox-78.5.0-1.el8_3.x86_64.rpm
firefox-debuginfo-78.5.0-1.el8_3.x86_64.rpm
firefox-debugsource-78.5.0-1.el8_3.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-2020-16012
https://access.redhat.com/security/cve/CVE-2020-26951
https://access.redhat.com/security/cve/CVE-2020-26953
https://access.redhat.com/security/cve/CVE-2020-26956
https://access.redhat.com/security/cve/CVE-2020-26958
https://access.redhat.com/security/cve/CVE-2020-26959
https://access.redhat.com/security/cve/CVE-2020-26960
https://access.redhat.com/security/cve/CVE-2020-26961
https://access.redhat.com/security/cve/CVE-2020-26965
https://access.redhat.com/security/cve/CVE-2020-26968
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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RedHat: RHSA-2020-5237:01 Important: firefox security update

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

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 78.5.0 ESR.
Security Fix(es):
* Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code (CVE-2020-26951)
* Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5 (CVE-2020-26968)
* Mozilla: Variable time processing of cross-origin images during drawImage calls (CVE-2020-16012)
* Mozilla: Fullscreen could be enabled without displaying the security UI (CVE-2020-26953)
* Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)
* Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions (CVE-2020-26958)
* Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)
* Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)
* Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)
* Mozilla: Software keyboards may have remembered typed passwords (CVE-2020-26965)
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.



Summary


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.

References

https://access.redhat.com/security/cve/CVE-2020-16012 https://access.redhat.com/security/cve/CVE-2020-26951 https://access.redhat.com/security/cve/CVE-2020-26953 https://access.redhat.com/security/cve/CVE-2020-26956 https://access.redhat.com/security/cve/CVE-2020-26958 https://access.redhat.com/security/cve/CVE-2020-26959 https://access.redhat.com/security/cve/CVE-2020-26960 https://access.redhat.com/security/cve/CVE-2020-26961 https://access.redhat.com/security/cve/CVE-2020-26965 https://access.redhat.com/security/cve/CVE-2020-26968 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: firefox-78.5.0-1.el8_3.src.rpm
aarch64: firefox-78.5.0-1.el8_3.aarch64.rpm firefox-debuginfo-78.5.0-1.el8_3.aarch64.rpm firefox-debugsource-78.5.0-1.el8_3.aarch64.rpm
ppc64le: firefox-78.5.0-1.el8_3.ppc64le.rpm firefox-debuginfo-78.5.0-1.el8_3.ppc64le.rpm firefox-debugsource-78.5.0-1.el8_3.ppc64le.rpm
s390x: firefox-78.5.0-1.el8_3.s390x.rpm firefox-debuginfo-78.5.0-1.el8_3.s390x.rpm firefox-debugsource-78.5.0-1.el8_3.s390x.rpm
x86_64: firefox-78.5.0-1.el8_3.x86_64.rpm firefox-debuginfo-78.5.0-1.el8_3.x86_64.rpm firefox-debugsource-78.5.0-1.el8_3.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/


Severity
Advisory ID: RHSA-2020:5237-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5237
Issued Date: : 2020-11-30
CVE Names: CVE-2020-16012 CVE-2020-26951 CVE-2020-26953 CVE-2020-26956 CVE-2020-26958 CVE-2020-26959 CVE-2020-26960 CVE-2020-26961 CVE-2020-26965 CVE-2020-26968

Topic

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64


Bugs Fixed

1898731 - CVE-2020-26951 Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code

1898732 - CVE-2020-16012 Mozilla: Variable time processing of cross-origin images during drawImage calls

1898733 - CVE-2020-26953 Mozilla: Fullscreen could be enabled without displaying the security UI

1898734 - CVE-2020-26956 Mozilla: XSS through paste (manual and clipboard API)

1898735 - CVE-2020-26958 Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions

1898736 - CVE-2020-26959 Mozilla: Use-after-free in WebRequestService

1898737 - CVE-2020-26960 Mozilla: Potential use-after-free in uses of nsTArray

1898738 - CVE-2020-26961 Mozilla: DoH did not filter IPv4 mapped IP Addresses

1898739 - CVE-2020-26965 Mozilla: Software keyboards may have remembered typed passwords

1898741 - CVE-2020-26968 Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5


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