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Last updated: 7/29/2014 4:59:56 PM

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Vulnerability Summary for CVE-2013-7336

Original release date: 05/07/2014
Last revised: 05/07/2014
Source: US-CERT/NIST

Overview

The qemuMigrationWaitForSpice function in qemu/qemu_migration.c in libvirt before 1.1.3 does not properly enter a monitor when performing seamless SPICE migration, which allows local users to cause a denial of service (NULL pointer dereference and libvirtd crash) by causing domblkstat to be called at the same time as the qemuMonitorGetSpiceMigrationStatus function.

Description

Per: http://cwe.mitre.org/data/definitions/476.html "CWE-476: NULL Pointer Dereference"

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 1.9 (LOW) (AV:L/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SUSE
Name: openSUSE-SU-2014:0593
External Source: CONFIRM
Name: http://libvirt.org/git/?p=libvirt.git;a=commit;h=484cc321
Type: Patch Information
External Source: CONFIRM
Name: http://libvirt.org/news.html
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=1077620
External Source: MLIST
Name: [oss-security] 20140318 CVE request -- libvirt: unprivileged user can crash libvirtd during spice migration
External Source: MLIST
Name: [oss-security] 20140318 Re: CVE request -- libvirt: unprivileged user can crash libvirtd during spice migration
Type: Patch Information

Technical Details

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