ESB-2018.2521 - [Win][UNIX/Linux][Ubuntu] Spice: Denial of service - Existing account 2018-08-27

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2521
                            Spice vulnerability
                              27 August 2018

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

Product:           Spice
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Denial of Service -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10873  

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3751-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running Spice check for an updated version of the software for their
         operating system.

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USN-3751-1: Spice vulnerability

22 August 2018

spice, spice-protocol vulnerability

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

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

Summary

Spice could be made to crash if it received specially crafted network traffic.

Software Description

  o spice - SPICE protocol client and server library
  o spice-protocol - SPICE protocol headers

Details

It was discovered that Spice incorrectly handled certain messages. An attacker
could possibly use this issue to cause a denial of service.

Update instructions

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

Ubuntu 18.04 LTS
    libspice-server1 - 0.14.0-1ubuntu2.2
Ubuntu 16.04 LTS
    libspice-protocol-dev - 0.12.10-1ubuntu0.2
Ubuntu 14.04 LTS
    libspice-server1 - 0.12.4-0nocelt2ubuntu1.7

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart qemu guests to make all the
necessary changes.

References

  o CVE-2018-10873

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