Test ID:	1.3.6.1.4.1.25623.1.0.840524
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-1008-3)
Summary:	The remote host is missing an update for the 'libvirt' package(s) announced via the USN-1008-3 advisory.
Description:	Summary: The remote host is missing an update for the 'libvirt' package(s) announced via the USN-1008-3 advisory. Vulnerability Insight: USN-1008-1 fixed vulnerabilities in libvirt. The update for Ubuntu 10.04 LTS reverted a recent bug fix update. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that libvirt would probe disk backing stores without consulting the defined format for the disk. A privileged attacker in the guest could exploit this to read arbitrary files on the host. This issue only affected Ubuntu 10.04 LTS. By default, guests are confined by an AppArmor profile which provided partial protection against this flaw. (CVE-2010-2237, CVE-2010-2238) It was discovered that libvirt would create new VMs without setting a backing store format. A privileged attacker in the guest could exploit this to read arbitrary files on the host. This issue did not affect Ubuntu 8.04 LTS. In Ubuntu 9.10 and later guests are confined by an AppArmor profile which provided partial protection against this flaw. (CVE-2010-2239) Jeremy Nickurak discovered that libvirt created iptables rules with too lenient mappings of source ports. A privileged attacker in the guest could bypass intended restrictions to access privileged resources on the host. (CVE-2010-2242) Affected Software/OS: 'libvirt' package(s) on Ubuntu 10.04. Solution: Please install the updated package(s). CVSS Score: 4.4 CVSS Vector: AV:L/AC:M/Au:S/C:C/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2010-2237 ADV-2010-2763 http://www.vupen.com/english/advisories/2010/2763 FEDORA-2010-10960 http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044520.html FEDORA-2010-11021 http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044579.html SUSE-SR:2010:017 http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html USN-1008-1 http://ubuntu.com/usn/usn-1008-1 USN-1008-2 http://ubuntu.com/usn/usn-1008-2 USN-1008-3 http://ubuntu.com/usn/usn-1008-3 http://libvirt.org/news.html https://bugzilla.redhat.com/show_bug.cgi?id=607810 Common Vulnerability Exposure (CVE) ID: CVE-2010-2238 https://bugzilla.redhat.com/show_bug.cgi?id=607811 Common Vulnerability Exposure (CVE) ID: CVE-2010-2239 ADV-2010-2062 http://www.vupen.com/english/advisories/2010/2062 RHSA-2010:0615 http://www.redhat.com/support/errata/RHSA-2010-0615.html https://bugzilla.redhat.com/show_bug.cgi?id=607812 Common Vulnerability Exposure (CVE) ID: CVE-2010-2242 https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/591943 https://bugzilla.redhat.com/show_bug.cgi?id=602455
Copyright	Copyright (C) 2010 Greenbone AG

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