========================================================================== Ubuntu Security Notice USN-1708-1 January 29, 2013 libvirt vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.10 - Ubuntu 12.04 LTS Summary: libvirt could be made to crash or run programs if it received specially crafted network traffic. Software Description: - 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: libvirt-bin 0.9.13-0ubuntu12.2 libvirt0 0.9.13-0ubuntu12.2 Ubuntu 12.04 LTS: libvirt-bin 0.9.8-2ubuntu17.7 libvirt0 0.9.8-2ubuntu17.7 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1708-1 CVE-2012-4423, CVE-2013-0170 Package Information: https://launchpad.net/ubuntu/+source/libvirt/0.9.13-0ubuntu12.2 https://launchpad.net/ubuntu/+source/libvirt/0.9.8-2ubuntu17.7
Reading our newsletter every Monday will keep you up-to-date with security news.
Receive a daily digest of the latest security news.