[USN-2736-1] Spice vulnerability
marc.deslauriers at canonical.com
Tue Sep 8 14:28:05 UTC 2015
Ubuntu Security Notice USN-2736-1
September 08, 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
Spice could be made to crash or run programs.
- spice: SPICE protocol client and server library
Frediano Ziglio discovered that Spice incorrectly handled monitor configs.
A malicious guest could use this issue to cause a denial of service, or
possibly execute arbitrary code on the host as the user running the QEMU
process. In the default installation, when QEMU is used with libvirt,
attackers would be isolated by the libvirt AppArmor profile.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 LTS:
After a standard system update you need to restart all QEMU virtual
machines using Spice to make the necessary changes.
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