[USN-4172-1] file vulnerability

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[USN-4172-1] file vulnerability

Marc Deslauriers-3
==========================================================================
Ubuntu Security Notice USN-4172-1
October 30, 2019

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

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

- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

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:

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 19.10:
  file                            1:5.37-5ubuntu0.1
  libmagic1                       1:5.37-5ubuntu0.1

Ubuntu 19.04:
  file                            1:5.35-4ubuntu0.1
  libmagic1                       1:5.35-4ubuntu0.1

Ubuntu 18.04 LTS:
  file                            1:5.32-2ubuntu0.3
  libmagic1                       1:5.32-2ubuntu0.3

Ubuntu 16.04 LTS:
  file                            1:5.25-2ubuntu1.3
  libmagic1                       1:5.25-2ubuntu1.3

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

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

Package Information:
  https://launchpad.net/ubuntu/+source/file/1:5.37-5ubuntu0.1
  https://launchpad.net/ubuntu/+source/file/1:5.35-4ubuntu0.1
  https://launchpad.net/ubuntu/+source/file/1:5.32-2ubuntu0.3
  https://launchpad.net/ubuntu/+source/file/1:5.25-2ubuntu1.3


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