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

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

                               ESB-2021.1324
                    USN-4918-1: ClamAV vulnerabilities
                               20 April 2021

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

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

Product:           ClamAV
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-1405 CVE-2021-1404 CVE-2021-1252

Reference:         ESB-2021.1281
                   ESB-2021.1271
                   ESB-2021.1237

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-4918-1

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

USN-4918-1: ClamAV vulnerabilities
19 April 2021

Several security issues were fixed in ClamAV.
Releases

  o Ubuntu 20.10
  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Packages

  o clamav - Anti-virus utility for Unix

Details

It was discovered that ClamAV incorrectly handled parsing Excel documents.
A remote attacker could possibly use this issue to cause ClamAV to hang,
resulting in a denial of service. ( CVE-2021-1252 )

It was discovered that ClamAV incorrectly handled parsing PDF documents. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. ( CVE-2021-1404 )

It was discovered that ClamAV incorrectly handled parsing email. A remote
attacker could possibly use this issue to cause ClamAV to crash, resulting
in a denial of service. ( CVE-2021-1405 )

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 20.10

  o clamav - 0.103.2+dfsg-0ubuntu0.20.10.1

Ubuntu 20.04

  o clamav - 0.103.2+dfsg-0ubuntu0.20.04.1

Ubuntu 18.04

  o clamav - 0.103.2+dfsg-0ubuntu0.18.04.1

Ubuntu 16.04

  o clamav - 0.103.2+dfsg-0ubuntu0.16.04.1

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References

  o CVE-2021-1405
  o CVE-2021-1404
  o CVE-2021-1252

- --------------------------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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=NecM
-----END PGP SIGNATURE-----