Vulnerability CVE-2013-4377
Published: 2013-10-11   Modified: 2013-10-12

Description:
Use-after-free vulnerability in the virtio-pci implementation in Qemu 1.4.0 through 1.6.0 allows local users to cause a denial of service (daemon crash) by "hot-unplugging" a virtio device.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
qemu host crash from within guest
Vincent Danen
27.09.2013

Type:

CWE-399

 (Resource Management Errors)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.3/10
2.9/10
4.4/10
Exploit range
Attack complexity
Authentication
Adjacent network
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
QEMU -> QEMU 

 References:
http://lists.nongnu.org/archive/html/qemu-devel/2013-09/msg03347.html
https://bugzilla.redhat.com/show_bug.cgi?id=1012633
http://www.ubuntu.com/usn/USN-2092-1
http://www.openwall.com/lists/oss-security/2013/09/26/5
http://secunia.com/advisories/55015
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