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Alerts This Week
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Ubuntu 14.04 & 12.04 ESM: USN-4435-2 Critical ClamAV Issues

ubuntu
Calendar Grey July 27, 2020
Dist Ubuntu Esm H88
In July 2020, Ubuntu issued an advisory about vulnerabilities in ClamAV, highlighting risks like buffer overflow and denial-of-service, and urging users to update for improved security
Several security issues were fixed in ClamAV.

Summary

Several security issues were fixed in ClamAV.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service remote attack Ubuntu local attack clamav

Update Instructions

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

Ubuntu 14.04 ESM:
  clamav                          0.102.4+dfsg-0ubuntu0.14.04.1+esm1

Ubuntu 12.04 ESM:
  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

https://ubuntu.com/security/notices/USN-4435-2

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 remote attack Ubuntu local attack clamav

Package Information

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