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Ubuntu 14.04-1 Libvirt Security Advisory: Denial of Service Issue

ubuntu
Calendar Grey November 11, 2014
Scroller Ubuntu Esm H88
Multiple vulnerabilities addressed in libvirt for Ubuntu 14.10 and 14.04 LTS. Details on how to update provided.
Several security issues were fixed in libvirt.

Summary

Several security issues were fixed in libvirt.

Software Description:

- libvirt: Libvirt virtualization toolkit

Details:

Pavel Hrdina discovered that libvirt incorrectly handled locking when

processing the virConnectListAllDomains command. An attacker could use this

issue to cause libvirtd to hang, resulting in a denial of service.

(CVE-2014-3657)

Eric Blake discovered that libvirt incorrectly handled permissions when

processing the qemuDomainFormatXML command. An attacker with read-only

privileges could possibly use this to gain access to certain information

from the domain xml file. (CVE-2014-7823)

Topics%20covered

Topics Covered

security advisory denial of service ubuntu libvirt permissions fix

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  libvirt-bin                     1.2.8-0ubuntu11.1
  libvirt0                        1.2.8-0ubuntu11.1

Ubuntu 14.04 LTS:
  libvirt-bin                     1.2.2-0ubuntu13.1.7
  libvirt0                        1.2.2-0ubuntu13.1.7

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2404-1

CVE-2014-3657, CVE-2014-7823

Severity
important
Lowest
Low
Medium
High
Critical

November 11, 2014

Topics%20covered

Topics Covered

security advisory denial of service ubuntu libvirt permissions fix

Package Information

https://launchpad.net/ubuntu/+source/libvirt/1.2.8-0ubuntu11.1
https://launchpad.net/ubuntu/+source/libvirt/1.2.2-0ubuntu13.1.7

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