-----BEGIN PGP SIGNED MESSAGE-----
AUSCERT External Security Bulletin Redistribution
4 December 2017
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
CVE Names: CVE-2017-7830 CVE-2017-7828 CVE-2017-7826
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-3490-1: Thunderbird vulnerabilities
Ubuntu Security Notice USN-3490-1
1st December, 2017
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
Several security issues were fixed in Thunderbird.
thunderbird - Mozilla Open Source mail and newsgroup client
Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing-like
context, an attacker could potentially exploit these to bypass same-origin
restrictions, cause a denial of service via application crash, or execute
arbitrary code. (CVE-2017-7826, CVE-2017-7828, CVE-2017-7830)
The problem can be corrected by updating your system to the following package version:
Ubuntu 16.04 LTS:
Ubuntu 14.04 LTS:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
CVE-2017-7826, CVE-2017-7828, CVE-2017-7830
- --------------------------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 firstname.lastname@example.org
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:
Australian Computer Emergency Response Team
The University of Queensland
Internet Email: email@example.com
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-----
-----END PGP SIGNATURE-----