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

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

                               ESB-2021.2637
                         asterisk security update
                               5 August 2021

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

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

Product:           asterisk
Publisher:         Debian
Operating System:  Debian GNU/Linux
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-32558  

Reference:         ESB-2021.2517

Original Bulletin: 
   https://www.debian.org/lts/security/2021/dla-2729

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

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

- - -------------------------------------------------------------------------
Debian LTS Advisory DLA-2729-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                           Chris Lamb
August 04, 2021                               https://wiki.debian.org/LTS
- - -------------------------------------------------------------------------

Package        : asterisk
Version        : 1:13.14.1~dfsg-2+deb9u5
CVE ID         : CVE-2021-32558
Debian Bug     : #991710

It was discovered that there was an issue in the Asterisk telephony
system. If the IAX2 channel driver received a packet that contained
an unsupported media format, a crash could have occured.

For Debian 9 "Stretch", this problem has been fixed in version
1:13.14.1~dfsg-2+deb9u5.

We recommend that you upgrade your asterisk packages.

For the detailed security status of asterisk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/asterisk

In addition, Asterisk are tracking this issue as "AST-2021-008".

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

- -----BEGIN PGP SIGNATURE-----
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=bcqj
- -----END PGP SIGNATURE-----

- --------------------------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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=rxu6
-----END PGP SIGNATURE-----