USN-4172-2: file vulnerability

31 October 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

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