==========================================================================
Ubuntu Security Notice USN-4172-2
October 31, 2019

file vulnerability
==========================================================================

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

– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM

Summary:

file could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
– file: Tool to determine file types

Details:

USN-4172-1 fixed a vulnerability in file. This update provides
the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that file incorrectly handled certain malformed files. An
attacker could use this issue to cause a denial of service, or possibly
execute arbitrary code.

Update instructions:

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

Ubuntu 14.04 ESM:
file 1:5.14-2ubuntu3.4+esm1
libmagic1 1:5.14-2ubuntu3.4+esm1

Ubuntu 12.04 ESM:
file 5.09-2ubuntu0.8
libmagic1 5.09-2ubuntu0.8

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4172-2
https://usn.ubuntu.com/4172-1
CVE-2019-18218
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