Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2022.5982
USN-5726-1: Firefox vulnerabilities
17 November 2022
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Firefox
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-45421 CVE-2022-45420 CVE-2022-45419
CVE-2022-45418 CVE-2022-45417 CVE-2022-45416
CVE-2022-45415 CVE-2022-45413 CVE-2022-45412
CVE-2022-45411 CVE-2022-45410 CVE-2022-45409
CVE-2022-45408 CVE-2022-45407 CVE-2022-45406
CVE-2022-45405 CVE-2022-45404 CVE-2022-45403
CVE-2022-40674
Original Bulletin:
https://ubuntu.com/security/notices/USN-5726-1
Comment: CVSS (Max): 9.8* CVE-2022-40674 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: [NVD], Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* Not all CVSS available when published
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-5726-1: Firefox vulnerabilities
16 November 2022
Several security issues were fixed in Firefox.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o firefox - Mozilla Open Source web browser
Details
Multiple security issues were discovered in Firefox. If a user were tricked
into opening a specially crafted website, an attacker could potentially
exploit these to cause a denial of service, spoof the contents of the
addressbar, bypass security restrictions, cross-site tracing or execute
arbitrary code. ( CVE-2022-45403 , CVE-2022-45404 , CVE-2022-45405 ,
CVE-2022-45406 , CVE-2022-45407 , CVE-2022-45408 , CVE-2022-45409 ,
CVE-2022-45410 ,
CVE-2022-45411 , CVE-2022-45413 , CVE-2022-40674 , CVE-2022-45418 ,
CVE-2022-45419 ,
CVE-2022-45420 , CVE-2022-45421 )
Armin Ebert discovered that Firefox did not properly manage while resolving
file symlink. If a user were tricked into opening a specially crafted weblink,
an attacker could potentially exploit these to cause a denial of service.
( CVE-2022-45412 )
Jefferson Scher and Jayateertha Guruprasad discovered that Firefox did not
properly sanitize the HTML download file extension under certain circumstances.
If a user were tricked into downloading and executing malicious content, a
remote attacker could execute arbitrary code with the privileges of the user
invoking the programs. ( CVE-2022-45415 )
Erik Kraft, Martin Schwarzl, and Andrew McCreight discovered that Firefox
incorrectly handled keyboard events. An attacker could possibly use this
issue to perform a timing side-channel attack and possibly figure out which
keys are being pressed. ( CVE-2022-45416 )
Kagami discovered that Firefox did not detect Private Browsing Mode correctly.
An attacker could possibly use this issue to obtain sensitive information about
Private Browsing Mode.
( CVE-2022-45417 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o firefox - 107.0+build2-0ubuntu0.20.04.1
Ubuntu 18.04
o firefox - 107.0+build2-0ubuntu0.18.04.1
After a standard system update you need to restart Firefox to make all the
necessary changes.
References
o CVE-2022-40674
o CVE-2022-45415
o CVE-2022-45409
o CVE-2022-45412
o CVE-2022-45406
o CVE-2022-45417
o CVE-2022-45413
o CVE-2022-45416
o CVE-2022-45419
o CVE-2022-45404
o CVE-2022-45403
o CVE-2022-45420
o CVE-2022-45421
o CVE-2022-45407
o CVE-2022-45418
o CVE-2022-45410
o CVE-2022-45411
o CVE-2022-45405
o CVE-2022-45408
Related notices
o USN-5638-1 : libexpat1-dev, libexpat1, lib64expat1, lib64expat1-dev, expat
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/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=NI8o
-----END PGP SIGNATURE-----