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Vulnerability Details : CVE-2013-6436

The lxcDomainGetMemoryParameters method in lxc/lxc_driver.c in libvirt 1.0.5 through 1.2.0 does not properly check the status of LXC guests when reading memory tunables, which allows local users to cause a denial of service (NULL pointer dereference and libvirtd crash) via a guest in the shutdown status, as demonstrated by the "virsh memtune" command.
Publish Date : 2014-01-07 Last Update Date : 2014-03-05
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- CVSS Scores & Vulnerability Types

CVSS Score
2.1
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 264

- Related OVAL Definitions

Title Definition Id Class Family
SUSE-SU-2014:0162-1 -- Security update for libvirt oval:org.mitre.oval:def:25459 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2013-6436

# Product Type Vendor Product Version Update Edition Language
1 Application Redhat Libvirt 1.0.5 Version Details Vulnerabilities
2 Application Redhat Libvirt 1.0.5.1 Version Details Vulnerabilities
3 Application Redhat Libvirt 1.0.5.2 Version Details Vulnerabilities
4 Application Redhat Libvirt 1.0.5.3 Version Details Vulnerabilities
5 Application Redhat Libvirt 1.0.5.4 Version Details Vulnerabilities
6 Application Redhat Libvirt 1.0.5.5 Version Details Vulnerabilities
7 Application Redhat Libvirt 1.0.5.6 Version Details Vulnerabilities
8 Application Redhat Libvirt 1.0.6 Version Details Vulnerabilities
9 Application Redhat Libvirt 1.1.0 Version Details Vulnerabilities
10 Application Redhat Libvirt 1.1.1 Version Details Vulnerabilities
11 Application Redhat Libvirt 1.1.2 Version Details Vulnerabilities
12 Application Redhat Libvirt 1.1.3 Version Details Vulnerabilities
13 Application Redhat Libvirt 1.1.4 Version Details Vulnerabilities
14 Application Redhat Libvirt 1.2.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat Libvirt 14

- References For CVE-2013-6436

http://www.ubuntu.com/usn/USN-2093-1
UBUNTU USN-2093-1
http://secunia.com/advisories/56245
SECUNIA 56245
http://osvdb.org/101485
OSVDB 101485
http://lists.opensuse.org/opensuse-updates/2014-01/msg00004.html
SUSE openSUSE-SU-2014:0010
https://www.redhat.com/archives/libvir-list/2013-December/msg01170.html
MLIST [libvirt] 20131220 SECURITY: CVE-2013-6436: libvirtd daemon crash when reading memory tunables for LXC guest in shutoff status
http://libvirt.org/git/?p=libvirt.git;a=commit;h=f8c1cb90213508c4f32549023b0572ed774e48aa CONFIRM

- Metasploit Modules Related To CVE-2013-6436

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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