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libvirt: multiple vulnerabilities

Package(s):libvirt CVE #(s):CVE-2013-4311 CVE-2013-4296 CVE-2013-5651
Created:September 19, 2013 Updated:October 2, 2013
Description: From the Ubuntu advisory:

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)

Alerts:
Ubuntu USN-1954-1 2013-09-18
Red Hat RHSA-2013:1272-01 2013-09-19
CentOS CESA-2013:1272 2013-09-20
Oracle ELSA-2013-1272 2013-09-19
Scientific Linux SLSA-2013:1272-1 2013-09-19
Debian DSA-2764-1 2013-09-25
Fedora FEDORA-2013-17305 2013-10-01
Fedora FEDORA-2013-17618 2013-10-02

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