[USN-3751-1] Spice vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3751-1
August 22, 2018

spice, spice-protocol vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

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

Software Description:
- spice: SPICE protocol client and server library
- 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

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

References:
  https://usn.ubuntu.com/usn/usn-3751-1
  CVE-2018-10873

Package Information:
  https://launchpad.net/ubuntu/+source/spice/0.14.0-1ubuntu2.2
  https://launchpad.net/ubuntu/+source/spice-protocol/0.12.10-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/spice/0.12.4-0nocelt2ubuntu1.7
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