Ubuntu Security Notice USN-1708-1
29th January, 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.10
- Ubuntu 12.04 LTS
libvirt could be made to crash or run programs if it received specially crafted network traffic.
- libvirt - Libvirt virtualization toolkit
Wenlong Huang discovered that libvirt incorrectly handled certain RPC
calls. A remote attacker could exploit this and cause libvirt to crash,
resulting in a denial of service. This issue only affected Ubuntu 12.04
Tingting Zheng discovered that libvirt incorrectly handled cleanup under
certain error conditions. A remote attacker could exploit this and cause
libvirt to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2013-0170)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.10:
- libvirt0 0.9.13-0ubuntu12.2
- libvirt-bin 0.9.13-0ubuntu12.2
- Ubuntu 12.04 LTS:
- libvirt0 0.9.8-2ubuntu17.7
- libvirt-bin 0.9.8-2ubuntu17.7
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.