Ubuntu 2366-1: libvirt vulnerabilities

    Date30 Sep 2014
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in libvirt.
    Ubuntu Security Notice USN-2366-1
    September 30, 2014
    libvirt vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    - Ubuntu 10.04 LTS
    Several security issues were fixed in libvirt.
    Software Description:
    - libvirt: Libvirt virtualization toolkit
    Daniel P. Berrange and Richard Jones discovered that libvirt incorrectly
    handled XML documents containing XML external entity declarations. An
    attacker could use this issue to cause libvirtd to crash, resulting in a
    denial of service on all affected releases, or possibly read arbitrary
    files if fine grained access control was enabled on Ubuntu 14.04 LTS.
    (CVE-2014-0179, CVE-2014-5177)
    Luyao Huang discovered that libvirt incorrectly handled certain blkiotune
    queries. An attacker could use this issue to cause libvirtd to crash,
    resulting in a denial of service. This issue only applied to Ubuntu 12.04
    LTS and Ubuntu 14.04 LTS. (CVE-2014-3633)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 14.04 LTS:
      libvirt-bin                     1.2.2-0ubuntu13.1.5
      libvirt0                        1.2.2-0ubuntu13.1.5
    Ubuntu 12.04 LTS:
      libvirt-bin                     0.9.8-2ubuntu17.20
      libvirt0                        0.9.8-2ubuntu17.20
    Ubuntu 10.04 LTS:
      libvirt-bin                     0.7.5-5ubuntu27.25
      libvirt0                        0.7.5-5ubuntu27.25
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
      CVE-2014-0179, CVE-2014-3633, CVE-2014-5177
    Package Information:
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