Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2018.2808.2
Bind vulnerability
2 October 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: bind9
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5740
Reference: ESB-2018.2466
ESB-2018.2293
Original Bulletin:
http://www.ubuntu.com/usn/usn-3769-1
Revision History: October 2 2018: This update adds fixes from USN-3769-1
for Ubuntu 12.04 ESM
September 21 2018: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-3769-2: Bind vulnerability
1 October 2018
bind9 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 12.04 ESM
Summary
Bind could be made to crash if it received specially crafted network traffic.
Software Description
bind9 - Internet Domain Name Server
Details
USN-3769-1 fixed a vulnerability in Bind. This update provides the
corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue to
cause Bind to crash, resulting in a denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 ESM
bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.26
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades
In general, a standard system update will make all the necessary changes.
References
USN-3769-1
CVE-2018-5740
- ---
Ubuntu Security Notice USN-3769-1
September 20, 2018
bind9 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 18.04 LTS
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
Bind could be made to crash if it received specially crafted network
traffic.
Software Description:
- - bind9: Internet Domain Name Server
Details:
It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue
to cause Bind to crash, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
bind9 1:9.11.3+dfsg-1ubuntu1.2
Ubuntu 16.04 LTS:
bind9 1:9.10.3.dfsg.P4-8ubuntu1.11
Ubuntu 14.04 LTS:
bind9 1:9.9.5.dfsg-3ubuntu0.18
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3769-1
CVE-2018-5740
Package Information:
https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.2
https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.11
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.18
- --------------------------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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=3WwJ
-----END PGP SIGNATURE-----