Ubuntu 19.10 USN-4172-1: Severe File Denial-of-Service Vulnerability

ubuntu

October 30, 2019

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

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.

Topics Covered

security advisory denial of service security issue buffer overflow software update ubuntu file

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.