what you don't know can hurt you

Red Hat Security Advisory 2021-1352-01

Red Hat Security Advisory 2021-1352-01
Posted Apr 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1352-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.10.0. Issues addressed include bypass, spoofing, and use-after-free vulnerabilities.

tags | advisory, spoof, vulnerability
systems | linux, redhat
advisories | CVE-2021-23961, CVE-2021-23994, CVE-2021-23995, CVE-2021-23998, CVE-2021-23999, CVE-2021-24002, CVE-2021-29945, CVE-2021-29946, CVE-2021-29948
MD5 | 51854f6fb53070f03f014c82977cb88b

Red Hat Security Advisory 2021-1352-01

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

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

Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:1352-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1352
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 CVE-2021-29948
====================================================================
1. Summary:

An update for thunderbird 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, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.10.0.

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)

* Mozilla: Race condition when reading from disk while verifying signatures
(CVE-2021-29948)

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

All running instances of Thunderbird must be restarted for the update 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
1951381 - CVE-2021-29948 Mozilla: Race condition when reading from disk while verifying signatures

6. Package List:

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

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

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

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

x86_64:
thunderbird-78.10.0-1.el8_2.x86_64.rpm
thunderbird-debuginfo-78.10.0-1.el8_2.x86_64.rpm
thunderbird-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/cve/CVE-2021-29948
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 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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YopE
-----END PGP SIGNATURE-----

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

File Archive:

June 2021

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

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close