ESB-2017.2275 - [Ubuntu] file: Denial of service - Existing account 2017-09-08

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2275
                            file vulnerability
                             8 September 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           file
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1000249  

Reference:         ESB-2017.2225

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3412-1

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Ubuntu Security Notice USN-3412-1
September 07, 2017

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

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

- - Ubuntu 17.04

Summary:

The file utility could be made to crash if it opened a specially
crafted file.

Software Description:
- - file: Tool to determine file types

Details:

Thomas Jarosch discovered that file incorrectly handled certain ELF
files. An attacker could use this to cause file to crash, resulting
in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 17.04:
  file                            1:5.29-3ubuntu0.1
  libmagic1                       1:5.29-3ubuntu0.1

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

References:
  https://www.ubuntu.com/usn/usn-3412-1
  CVE-2017-1000249

Package Information:
  https://launchpad.net/ubuntu/+source/file/1:5.29-3ubuntu0.1

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