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Ubuntu Security Notice (C) 2010-2016 Canonical, Inc. / NASL script (C) 2010-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
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.
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).
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.4
CVSS Temporal Score : 3.3
Public Exploit Available : false
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 50300 ()
Bugtraq ID: 41981
CVE ID: CVE-2010-2237CVE-2010-2238CVE-2010-2239CVE-2010-2242
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