Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-1708-1: libvirt vulnerabilities

29 January 2013

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

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • libvirt - Libvirt virtualization toolkit

Details

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
LTS. (CVE-2012-4423)

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.10
Ubuntu 12.04

After a standard system update you need to reboot your computer to make
all the necessary changes.