-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0218
              A vulnerability has been identified in unbound
                              22 January 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           unbound
Publisher:         FreeBSD
Operating System:  FreeBSD
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service              -- Remote/Unauthenticated
                   Provide Misleading Information -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-15105  

Original Bulletin: 
   http://www.vuxml.org/freebsd/8d3bae09-fd28-11e7-95f2-005056925db4.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than FreeBSD. It is recommended that administrators
         running unbound check for an updated version of the software for 
         their operating system.

- --------------------------BEGIN INCLUDED TEXT--------------------

unbound -- vulnerability in the processing of wildcard synthesized NSEC 
records

Affected packages

unbound < 1.6.8

Details

VuXML ID 8d3bae09-fd28-11e7-95f2-005056925db4

Discovery 2017-10-08

Entry 2018-01-19

Unbound reports:

We discovered a vulnerability in the processing of wildcard synthesized NSEC 
records. While synthesis of NSEC records is allowed by RFC4592, these 
synthesized owner names should not be used in the NSEC processing. This does,
however, happen in Unbound 1.6.7 and earlier versions.

References

CVE Name CVE-2017-15105

FreeBSD PR ports/225313

URL https://unbound.net/downloads/CVE-2017-15105.txt

- --------------------------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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=kEl8
-----END PGP SIGNATURE-----