U radu programskog paketa Libvirt, distribuiranog s operacijskim sustavom Fedora 15, otkriven je sigurnosni nedostatak. Riječ je o programskoj biblioteci koja omogućuje izvođenje različitih virtualnih rješenja, kao što su KVM (eng. Kernel-based Virtual Machine) i Xen. Nedostatak je posljedica neodgovarajućeg ograničavanja operacija u vezi (eng. connection) označenoj kao "read-only". Udaljenom napadaču omogućuje izvođenje DoS napada ili pokretanje zlonamjernog programskog koda. Korisnicima se preporuča instalacija nadogradnje.

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Fedora Update Notification
FEDORA-2011-3286
2011-03-15 03:00:56
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Name        : libvirt
Product     : Fedora 15
Version     : 0.8.8
Release     : 3.fc15
URL         : http://libvirt.org/
Summary     : Library providing a simple virtualization API
Description :
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). The main package includes
the libvirtd server exporting the virtualization support.

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Update Information:

fix a lack of API check on read-only connections
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References:

  [ 1 ] Bug #683650 - CVE-2011-1146 libvirt: several API calls do not honour
read-only connection
        https://bugzilla.redhat.com/show_bug.cgi?id=683650
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update libvirt' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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