USN-2027-1: SPICE vulnerability

12 November 2013

spice vulnerability

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

  • Ubuntu 13.10
  • Ubuntu 13.04


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

Software Description

  • spice - SPICE protocol client and server library


Tomas Jamrisko discovered that SPICE incorrectly handled long passwords in SPICE tickets. An attacker could use this issue to cause the SPICE server 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 13.10
libspice-server1 - 0.12.4-0nocelt1ubuntu0.1
Ubuntu 13.04
libspice-server1 - 0.12.2-0nocelt2expubuntu1.2

To update your system, please follow these instructions:

After a standard system update you need to restart applications using the SPICE protocol, such as QEMU, to make all the necessary changes.