RedHat: RHSA-2021-1361:01 Important: firefox security update | Linu...

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

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2021:1361-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1361
Issue date:        2021-04-26
CVE Names:         CVE-2021-23961 CVE-2021-23994 CVE-2021-23995 
                   CVE-2021-23998 CVE-2021-23999 CVE-2021-24002 
                   CVE-2021-29945 CVE-2021-29946 
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.2
Extended Update Support.

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 EUS (v. 8.2) - 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 78.10.0 ESR.

Security Fix(es):

* Mozilla: Out of bound write due to lazy initialization (CVE-2021-23994)

* Mozilla: Use-after-free in Responsive Design Mode (CVE-2021-23995)

* Mozilla: More internal network hosts could have been probed by a
malicious webpage (CVE-2021-23961)

* Mozilla: Secure Lock icon could have been spoofed (CVE-2021-23998)

* Mozilla: Blob URLs may have been granted additional privileges
(CVE-2021-23999)

* Mozilla: Arbitrary FTP command execution on FTP servers using an encoded
URL (CVE-2021-24002)

* Mozilla: Incorrect size computation in WebAssembly JIT could lead to
null-reads (CVE-2021-29945)

* Mozilla: Port blocking could be bypassed (CVE-2021-29946)

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/):

1951364 - CVE-2021-23994 Mozilla: Out of bound write due to lazy initialization
1951365 - CVE-2021-23995 Mozilla: Use-after-free in Responsive Design Mode
1951366 - CVE-2021-23998 Mozilla: Secure Lock icon could have been spoofed
1951367 - CVE-2021-23961 Mozilla: More internal network hosts could have been probed by a malicious webpage
1951368 - CVE-2021-23999 Mozilla: Blob URLs may have been granted additional privileges
1951369 - CVE-2021-24002 Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL
1951370 - CVE-2021-29945 Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads
1951371 - CVE-2021-29946 Mozilla: Port blocking could be bypassed

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
firefox-78.10.0-1.el8_2.src.rpm

aarch64:
firefox-78.10.0-1.el8_2.aarch64.rpm
firefox-debuginfo-78.10.0-1.el8_2.aarch64.rpm
firefox-debugsource-78.10.0-1.el8_2.aarch64.rpm

ppc64le:
firefox-78.10.0-1.el8_2.ppc64le.rpm
firefox-debuginfo-78.10.0-1.el8_2.ppc64le.rpm
firefox-debugsource-78.10.0-1.el8_2.ppc64le.rpm

s390x:
firefox-78.10.0-1.el8_2.s390x.rpm
firefox-debuginfo-78.10.0-1.el8_2.s390x.rpm
firefox-debugsource-78.10.0-1.el8_2.s390x.rpm

x86_64:
firefox-78.10.0-1.el8_2.x86_64.rpm
firefox-debuginfo-78.10.0-1.el8_2.x86_64.rpm
firefox-debugsource-78.10.0-1.el8_2.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-2021-23961
https://access.redhat.com/security/cve/CVE-2021-23994
https://access.redhat.com/security/cve/CVE-2021-23995
https://access.redhat.com/security/cve/CVE-2021-23998
https://access.redhat.com/security/cve/CVE-2021-23999
https://access.redhat.com/security/cve/CVE-2021-24002
https://access.redhat.com/security/cve/CVE-2021-29945
https://access.redhat.com/security/cve/CVE-2021-29946
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 2021 Red Hat, Inc.
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RedHat: RHSA-2021-1361:01 Important: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 8.2 Extended Update Support

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 78.10.0 ESR.
Security Fix(es):
* Mozilla: Out of bound write due to lazy initialization (CVE-2021-23994)
* Mozilla: Use-after-free in Responsive Design Mode (CVE-2021-23995)
* Mozilla: More internal network hosts could have been probed by a malicious webpage (CVE-2021-23961)
* Mozilla: Secure Lock icon could have been spoofed (CVE-2021-23998)
* Mozilla: Blob URLs may have been granted additional privileges (CVE-2021-23999)
* Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL (CVE-2021-24002)
* Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads (CVE-2021-29945)
* Mozilla: Port blocking could be bypassed (CVE-2021-29946)
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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258After installing the update, Firefox must be restarted for the changes totake effect.

References

https://access.redhat.com/security/cve/CVE-2021-23961 https://access.redhat.com/security/cve/CVE-2021-23994 https://access.redhat.com/security/cve/CVE-2021-23995 https://access.redhat.com/security/cve/CVE-2021-23998 https://access.redhat.com/security/cve/CVE-2021-23999 https://access.redhat.com/security/cve/CVE-2021-24002 https://access.redhat.com/security/cve/CVE-2021-29945 https://access.redhat.com/security/cve/CVE-2021-29946 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source: firefox-78.10.0-1.el8_2.src.rpm
aarch64: firefox-78.10.0-1.el8_2.aarch64.rpm firefox-debuginfo-78.10.0-1.el8_2.aarch64.rpm firefox-debugsource-78.10.0-1.el8_2.aarch64.rpm
ppc64le: firefox-78.10.0-1.el8_2.ppc64le.rpm firefox-debuginfo-78.10.0-1.el8_2.ppc64le.rpm firefox-debugsource-78.10.0-1.el8_2.ppc64le.rpm
s390x: firefox-78.10.0-1.el8_2.s390x.rpm firefox-debuginfo-78.10.0-1.el8_2.s390x.rpm firefox-debugsource-78.10.0-1.el8_2.s390x.rpm
x86_64: firefox-78.10.0-1.el8_2.x86_64.rpm firefox-debuginfo-78.10.0-1.el8_2.x86_64.rpm firefox-debugsource-78.10.0-1.el8_2.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-2021:1361-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1361
Issued Date: : 2021-04-26
CVE Names: CVE-2021-23961 CVE-2021-23994 CVE-2021-23995 CVE-2021-23998 CVE-2021-23999 CVE-2021-24002 CVE-2021-29945 CVE-2021-29946

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.2Extended Update Support.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.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1951364 - CVE-2021-23994 Mozilla: Out of bound write due to lazy initialization

1951365 - CVE-2021-23995 Mozilla: Use-after-free in Responsive Design Mode

1951366 - CVE-2021-23998 Mozilla: Secure Lock icon could have been spoofed

1951367 - CVE-2021-23961 Mozilla: More internal network hosts could have been probed by a malicious webpage

1951368 - CVE-2021-23999 Mozilla: Blob URLs may have been granted additional privileges

1951369 - CVE-2021-24002 Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL

1951370 - CVE-2021-29945 Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads

1951371 - CVE-2021-29946 Mozilla: Port blocking could be bypassed

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