Operating System:



04 October 2019

Protect yourself against future threats.

Hash: SHA256

             AUSCERT External Security Bulletin Redistribution

                    USN-4146-2: ClamAV vulnerabilities
                              4 October 2019


        AusCERT Security Bulletin Summary

Product:           ClamAV
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-12900 CVE-2019-12625 

Reference:         ESB-2019.3701

Original Bulletin: 

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

USN-4146-2: ClamAV vulnerabilities
3 October 2019

clamav vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 14.04 ESM
  o Ubuntu 12.04 ESM


Several security issues were fixed in ClamAV.

Software Description

  o clamav - Anti-virus utility for Unix


USN-4146-1 fixed several vulnerabilities in ClamAV. This update provides the
corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that ClamAV incorrectly handled unpacking ZIP files. A remote
attacker could possibly use this issue to cause ClamAV to crash, resulting in a
denial of service. (CVE-2019-12625)

It was discovered that ClamAV incorrectly handled unpacking bzip2 files. A
remote attacker could use this issue to cause ClamAV to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2019-12900)

Update instructions

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

Ubuntu 14.04 ESM
    clamav - 0.101.4+dfsg-0ubuntu0.14.04.1+esm1
Ubuntu 12.04 ESM
    clamav - 0.101.4+dfsg-0ubuntu0.12.04.1

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

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


  o USN-4146-1
  o CVE-2019-12625
  o CVE-2019-12900

- --------------------------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:


Australian Computer Emergency Response Team
The University of Queensland
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.
Comment: http://www.auscert.org.au/render.html?it=1967