USN-4435-1: ClamAV vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

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)

Update instructions

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

Ubuntu 20.04

• clamav - 0.102.4+dfsg-0ubuntu0.20.04.1

Ubuntu 18.04

• clamav - 0.102.4+dfsg-0ubuntu0.18.04.1

Ubuntu 16.04

• 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

• CVE-2020-3481
• CVE-2020-3350
• CVE-2020-3327

Related notices

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