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USN-4435-1: ClamAV vulnerabilities

27 July 2020

Several security issues were fixed in ClamAV.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

Related notices

  • USN-4435-2: libclamav9, libclamav-dev, clamav-milter, clamav-docs, clamav-testfiles, clamav, clamav-daemon, clamav-base, clamav-freshclam
  • USN-4370-2: libclamav9, libclamav-dev, clamav-milter, clamav-docs, clamav-testfiles, clamav, clamav-daemon, clamav-base, clamav-freshclam
  • USN-4370-1: clamdscan, libclamav9, libclamav-dev, clamav-milter, clamav-docs, clamav-testfiles, clamav, clamav-daemon, clamav-base, clamav-freshclam