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CVE-2013-4154

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Date: September 30, 2013

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.

Language: C

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2013-4154
http://openwall.com/lists/oss-security/2013/07/19/12
http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6
https://bugzilla.redhat.com/show_bug.cgi?id=984821
http://libvirt.org/news.html
https://bugzilla.redhat.com/show_bug.cgi?id=986386
https://www.mend.io/vulnerability-database/CVE-2013-4154

Severity Score

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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