CVE-2013-4154 Detail

Current Description

The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to "agent based cpu (un)plug," as demonstrated by the "virsh vcpucount foobar --guest" command.


View Analysis Description

Evaluator Description

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

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  N/A
NVD score not yet provided.


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Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=96518d4316b711c72205117f8d5c967d5127bbb6 Exploit  Patch 
http://libvirt.org/news.html
http://openwall.com/lists/oss-security/2013/07/19/12 Patch 
https://bugzilla.redhat.com/show_bug.cgi?id=984821 Exploit 
https://bugzilla.redhat.com/show_bug.cgi?id=986386 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

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Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-4154
NVD Published Date:
09/30/2013
NVD Last Modified:
10/11/2013
Source:
Red Hat, Inc.