Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.1345
USN-4918-2: ClamAV vulnerabilities
21 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-2021.1324
ESB-2021.1281
ESB-2021.1271
ESB-2021.1237
Original Bulletin:
https://ubuntu.com/security/notices/USN-4918-2
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-4918-2: ClamAV vulnerabilities
20 April 2021
Several security issues were fixed in ClamAV.
Releases
o Ubuntu 14.04 ESM
Packages
o clamav - Anti-virus utility for Unix
Details
USN-4918-1 fixed several vulnerabilities in ClamAV. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory 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 14.04
o clamav - 0.103.2+dfsg-0ubuntu0.14.04.1+esm1
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-2021-1252
o CVE-2021-1404
o CVE-2021-1405
Related notices
o USN-4918-1 : clamav
- --------------------------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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=l+X1
-----END PGP SIGNATURE-----