Ubuntu 4918-3: ClamAV regression | LinuxSecurity.com
==========================================================================
Ubuntu Security Notice USN-4918-3
May 03, 2021

clamav regression
==========================================================================

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

- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

USN-4918-1 introduced a regression in ClamAV that could cause it to fail to scan.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

USN-4918-1 fixed vulnerabilities in ClamAV. The updated package could
fail to properly scan in some situations. This update fixes
the problem.

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 21.04:
  clamav                          0.103.2+dfsg-1ubuntu0.21.04.1
  libclamav9                      0.103.2+dfsg-1ubuntu0.21.04.1

Ubuntu 20.10:
  clamav                          0.103.2+dfsg-0ubuntu0.20.10.2
  libclamav9                      0.103.2+dfsg-0ubuntu0.20.10.2

Ubuntu 20.04 LTS:
  clamav                          0.103.2+dfsg-0ubuntu0.20.04.2
  libclamav9                      0.103.2+dfsg-0ubuntu0.20.04.2

Ubuntu 18.04 LTS:
  clamav                          0.103.2+dfsg-0ubuntu0.18.04.2
  libclamav9                      0.103.2+dfsg-0ubuntu0.18.04.2

Ubuntu 16.04 ESM:
  clamav                          0.103.2+dfsg-0ubuntu0.16.04.1+esm1
  libclamav9                      0.103.2+dfsg-0ubuntu0.16.04.1+esm1

Ubuntu 14.04 ESM:
  clamav                          0.103.2+dfsg-0ubuntu0.14.04.1+esm2
  libclamav9                      0.103.2+dfsg-0ubuntu0.14.04.1+esm2

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-4918-3
  https://ubuntu.com/security/notices/USN-4918-1
  https://launchpad.net/bugs/1926300

Package Information:
  https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-1ubuntu0.21.04.1
  https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.10.2
  https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.04.2
  https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.18.04.2

Ubuntu 4918-3: ClamAV regression

May 4, 2021

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.04 - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: USN-4918-1 introduced a regression in ClamAV that could cause it to fail to scan. Software Description: - clamav: Anti-virus utility for Unix Details: USN-4918-1 fixed vulnerabilities in ClamAV. The updated package could fail to properly scan in some situations. This update fixes the problem. 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 21.04: clamav 0.103.2+dfsg-1ubuntu0.21.04.1 libclamav9 0.103.2+dfsg-1ubuntu0.21.04.1 Ubuntu 20.10: clamav 0.103.2+dfsg-0ubuntu0.20.10.2 libclamav9 0.103.2+dfsg-0ubuntu0.20.10.2 Ubuntu 20.04 LTS: clamav 0.103.2+dfsg-0ubuntu0.20.04.2 libclamav9 0.103.2+dfsg-0ubuntu0.20.04.2 Ubuntu 18.04 LTS: clamav 0.103.2+dfsg-0ubuntu0.18.04.2 libclamav9 0.103.2+dfsg-0ubuntu0.18.04.2 Ubuntu 16.04 ESM: clamav 0.103.2+dfsg-0ubuntu0.16.04.1+esm1 libclamav9 0.103.2+dfsg-0ubuntu0.16.04.1+esm1 Ubuntu 14.04 ESM: clamav 0.103.2+dfsg-0ubuntu0.14.04.1+esm2 libclamav9 0.103.2+dfsg-0ubuntu0.14.04.1+esm2 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-4918-3

https://ubuntu.com/security/notices/USN-4918-1

https://launchpad.net/bugs/1926300

Severity
Ubuntu Security Notice USN-4918-3

Package Information

https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-1ubuntu0.21.04.1 https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.10.2 https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.04.2 https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.18.04.2

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