Wednesday, April 21, 2021

Ubuntu Security Notice USN-4918-1

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Ubuntu Security Notice USN-4918-1
April 19, 2021

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

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in ClamAV.

Software Description:
- 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:
clamav 0.103.2+dfsg-0ubuntu0.20.10.1

Ubuntu 20.04 LTS:
clamav 0.103.2+dfsg-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
clamav 0.103.2+dfsg-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
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:
https://ubuntu.com/security/notices/USN-4918-1
CVE-2021-1252, CVE-2021-1404, CVE-2021-1405

Package Information:
https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.10.1
https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.16.04.1

 

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