USN-1708-1: libvirt vulnerabilities
29 January 2013
libvirt could be made to crash or run programs if it received specially crafted network traffic.
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)
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.