ESB-2018.1551 - [Linux][Ubuntu] xdg-utils: Execute arbitrary code/commands - Remote with user interaction 2018-05-22

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1551
                          xdg-utils vulnerability
                                22 May 2018

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

Product:           xdg-utils
Publisher:         Ubuntu
Operating System:  Ubuntu
                   Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-18266  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3650-1

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USN-3650-1: xdg-utils vulnerability

21 May 2018

xdg-utils vulnerability

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

  o Ubuntu 18.04 LTS
  o Ubuntu 17.10
  o Ubuntu 16.04 LTS
  o Ubuntu 14.04 LTS

Summary

xdg-utils could be made to run arbitrary code if it received a specially
crafted input.

Software Description

  o xdg-utils - desktop integration utilities from freedesktop.org

Details

It was discovered that xdg-utils incorrectly handled certain inputs. An
attacker could possibly use this to execute arbitrary code.

Update instructions

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

Ubuntu 18.04 LTS
    xdg-utils - 1.1.2-1ubuntu2.2
Ubuntu 17.10
    xdg-utils - 1.1.1-1ubuntu3.2
Ubuntu 16.04 LTS
    xdg-utils - 1.1.1-1ubuntu1.16.04.3
Ubuntu 14.04 LTS
    xdg-utils - 1.1.0~rc1-2ubuntu7.2

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

  o CVE-2017-18266

(C) 2017 Canonical Ltd. Ubuntu and Canonical are registered trademarks of
Canonical Ltd.

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