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Ubuntu Security Notice USN-4172-1

Ubuntu Security Notice USN-4172-1
Posted Oct 31, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4172-1 - 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-18218
MD5 | fccad7ea0542890dd8e2afebb807a59b

Ubuntu Security Notice USN-4172-1

Change Mirror Download
==========================================================================
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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