CVE-2010-2242 Information

Description

Red Hat libvirt 0.2.0 through 0.8.2 creates iptables rules with improper mappings of privileged source ports which allows guest OS users to bypass intended access restrictions by leveraging IP address and source-port values as demonstrated by copying and deleting an NFS directory tree.

Reference

http://libvirt.org/news.html http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044520.html http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044579.html http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html http://ubuntu.com/usn/usn-1008-1 http://ubuntu.com/usn/usn-1008-2 http://ubuntu.com/usn/usn-1008-3 http://www.redhat.com/support/errata/RHSA-2010-0615.html http://www.vupen.com/english/advisories/2010/2062 http://www.vupen.com/english/advisories/2010/2763 https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/591943 https://bugzilla.redhat.com/show_bug.cgi?id=602455