Vulnerability CVE-2014-3633
Published: 2014-10-06

Description:
The qemuDomainGetBlockIoTune function in qemu/qemu_driver.c in libvirt before 1.2.9, when a disk has been hot-plugged or removed from the live image, allows remote attackers to cause a denial of service (crash) or read sensitive heap information via a crafted blkiotune query, which triggers an out-of-bounds read.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
Libvirt -> Libvirt 
Canonical -> Ubuntu linux 

 References:
http://www.ubuntu.com/usn/USN-2366-1
http://www.debian.org/security/2014/dsa-3038
http://security.libvirt.org/2014/0004.html
http://security.gentoo.org/glsa/glsa-201412-04.xml
http://secunia.com/advisories/60895
http://secunia.com/advisories/60291
http://rhn.redhat.com/errata/RHSA-2014-1352.html
http://lists.opensuse.org/opensuse-updates/2014-10/msg00017.html
http://lists.opensuse.org/opensuse-updates/2014-10/msg00014.html
http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=3e745e8f775dfe6f64f18b5c2fe4791b35d3546b
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