USN-4172-1: file vulnerability

30 October 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References