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Ubuntu Security Notice USN-3355-1
July 19, 2017

spice vulnerability
==========================================================================

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

– Ubuntu 17.04
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS

Summary:

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

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

Details:

Frediano Ziglio discovered that Spice incorrectly handled certain invalid
monitor configurations. A remote attacker could use this issue to cause
Spice to crash, resulting in 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 17.04:
libspice-server1 0.12.8-2ubuntu1.1

Ubuntu 16.04 LTS:
libspice-server1 0.12.6-4ubuntu0.3

Ubuntu 14.04 LTS:
libspice-server1 0.12.4-0nocelt2ubuntu1.5

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

References:
https://www.ubuntu.com/usn/usn-3355-1
CVE-2017-7506

Package Information:
https://launchpad.net/ubuntu/+source/spice/0.12.8-2ubuntu1.1
https://launchpad.net/ubuntu/+source/spice/0.12.6-4ubuntu0.3
https://launchpad.net/ubuntu/+source/spice/0.12.4-0nocelt2ubuntu1.5

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