Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2019.3774
USN-4150-1: Thunderbird vulnerabilities
9 October 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Thunderbird
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11752 CVE-2019-11746 CVE-2019-11744
CVE-2019-11743 CVE-2019-11742 CVE-2019-11740
CVE-2019-11739
Reference: ASB-2019.0268
ESB-2019.3704
Original Bulletin:
https://usn.ubuntu.com/4150-1/
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-4150-1: Thunderbird vulnerabilities
8 October 2019
thunderbird vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Thunderbird.
Software Description
o thunderbird - Mozilla Open Source mail and newsgroup client
Details
It was discovered that encrypted S/MIME parts in a multipart message can leak
plaintext contents when included in a HTML reply or forward in some
circumstances. If a user were tricked in to replying to or forwarding a
specially crafted message, an attacker could potentially exploit this to obtain
sensitive information. (CVE-2019-11739)
Multiple security issues were discovered in Thunderbird. If a user were tricked
in to opening a specially crafted website in a browsing context, an attacker
could potentially exploit these to obtain sensitive information, conduct
cross-site scripting (XSS) attack, scause a denial of service, or execute
arbitrary code. (CVE-2019-11740, CVE-2019-11742, CVE-2019-11743,
CVE-2019-11744, CVE-2019-11746, CVE-2019-11752)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
thunderbird - 1:60.9.0+build1-0ubuntu0.19.04.1
Ubuntu 18.04 LTS
thunderbird - 1:60.9.0+build1-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
thunderbird - 1:60.9.0+build1-0ubuntu0.16.04.2
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.
References
o CVE-2019-11739
o CVE-2019-11740
o CVE-2019-11742
o CVE-2019-11743
o CVE-2019-11744
o CVE-2019-11746
o CVE-2019-11752
- --------------------------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: http://www.auscert.org.au/render.html?it=1967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=MUJp
-----END PGP SIGNATURE-----