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Ubuntu alert USN-1954-1 (libvirt)
========================================================================== Ubuntu Security Notice USN-1954-1 September 18, 2013 libvirt vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.04 - Ubuntu 12.10 - Ubuntu 12.04 LTS - Ubuntu 10.04 LTS Summary: Several security issues were fixed in libvirt. Software Description: - libvirt: Libvirt virtualization toolkit Details: It was discovered that libvirt used the pkcheck tool in an unsafe manner. A local attacker could possibly use this flaw to bypass polkit authentication. In Ubuntu, libvirt polkit authentication is not enabled by default. (CVE-2013-4311) It was discovered that libvirt incorrectly handled certain memory stats requests. A remote attacker could use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 12.10, and Ubuntu 13.04. (CVE-2013-4296) It was discovered that libvirt incorrectly handled certain bitmap operations. A remote attacker could use this issue to cause libvirt to crash, resulting in a denial of service. This issue only affected Ubuntu 13.04. (CVE-2013-5651) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 13.04: libvirt-bin 1.0.2-0ubuntu11.13.04.4 libvirt0 1.0.2-0ubuntu11.13.04.4 Ubuntu 12.10: libvirt-bin 0.9.13-0ubuntu12.5 libvirt0 0.9.13-0ubuntu12.5 Ubuntu 12.04 LTS: libvirt-bin 0.9.8-2ubuntu17.13 libvirt0 0.9.8-2ubuntu17.13 Ubuntu 10.04 LTS: libvirt-bin 0.7.5-5ubuntu27.24 libvirt0 0.7.5-5ubuntu27.24 After a standard system update you need to reboot your computer to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-1954-1 CVE-2013-4296, CVE-2013-4311, CVE-2013-5651 Package Information: https://launchpad.net/ubuntu/+source/libvirt/1.0.2-0ubunt... https://launchpad.net/ubuntu/+source/libvirt/0.9.13-0ubun... https://launchpad.net/ubuntu/+source/libvirt/0.9.8-2ubunt... https://launchpad.net/ubuntu/+source/libvirt/0.7.5-5ubunt... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security... (Log in to post comments)
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