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Ubuntu 20.04 LTS: 4435-1 Critical: ClamAV Denial Of Service

ubuntu
Calendar Grey July 27, 2020
Dist Ubuntu Esm H88
Numerous security updates for ClamAV in Ubuntu versions 20.04, 18.04, and 16.04 LTS enhance overall system safety.
Several security issues were fixed in ClamAV.

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 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)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu local attack clamav

Update Instructions

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

Ubuntu 20.04 LTS:
  clamav                          0.102.4+dfsg-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  clamav                          0.102.4+dfsg-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  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

https://ubuntu.com/security/notices/USN-4435-1

CVE-2020-3327, CVE-2020-3350, CVE-2020-3481

Severity
critical
Lowest
Low
Medium
High
Critical

July 27, 2020

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu local attack clamav

Package Information

https://launchpad.net/ubuntu/+source/clamav/0.102.4+dfsg-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/clamav/0.102.4+dfsg-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/clamav/0.102.4+dfsg-0ubuntu0.16.04.1

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