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AUSCERT External Security Bulletin Redistribution
ESB-2020.2558
USN-4435-1 and 2: ClamAV vulnerabilities fixed for Ubuntu
LTS and ESM releases
28 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: ClamAV
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Delete Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-3481 CVE-2020-3350 CVE-2020-3327
Reference: ESB-2020.2114
ESB-2020.1831
ESB-2020.1758
Original Bulletin:
https://usn.ubuntu.com/4435-1/
https://usn.ubuntu.com/4435-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
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USN-4435-1: ClamAV vulnerabilities
27 July 2020
Several security issues were fixed in ClamAV.
Releases
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 ARJ archives. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2020-3327)
It was discovered that ClamAV incorrectly handled scanning malicious files.
A local attacker could possibly use this issue to delete arbitrary files.
(CVE-2020-3350)
It was discovered that ClamAV incorrectly handled parsing EGG archives. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2020-3481)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o clamav - 0.102.4+dfsg-0ubuntu0.20.04.1
Ubuntu 18.04
o clamav - 0.102.4+dfsg-0ubuntu0.18.04.1
Ubuntu 16.04
o clamav - 0.102.4+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-2020-3481
o CVE-2020-3350
o CVE-2020-3327
- --------------------------------------------------------------------------------
USN-4435-2: ClamAV vulnerabilities
27 July 2020
Several security issues were fixed in ClamAV.
Releases
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Packages
o clamav - Anti-virus utility for Unix
Details
USN-4435-1 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 parsing ARJ archives. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2020-3327)
It was discovered that ClamAV incorrectly handled scanning malicious files.
A local attacker could possibly use this issue to delete arbitrary files.
(CVE-2020-3350)
It was discovered that ClamAV incorrectly handled parsing EGG archives. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2020-3481)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04
o clamav - 0.102.4+dfsg-0ubuntu0.14.04.1+esm1
Ubuntu 12.04
o clamav - 0.102.4+dfsg-0ubuntu0.12.04.1
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-2020-3327
o CVE-2020-3350
o CVE-2020-3481
- --------------------------END INCLUDED TEXT--------------------
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