exploit the possibilities
Home Files News &[SERVICES_TAB]About Contact Add New

Red Hat Security Advisory 2020-5237-01

Red Hat Security Advisory 2020-5237-01
Posted Nov 30, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5237-01 - 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. Issues addressed include bypass, cross site scripting, and use-after-free vulnerabilities.

tags | advisory, web, vulnerability, xss
systems | linux, redhat
advisories | 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
SHA-256 | 57cad10063be658cb01b40344f1ad6de810ff1e15e20a993ecfcc28448f759e1

Red Hat Security Advisory 2020-5237-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================
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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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\zi
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    42 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close