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Vulnerability Details : CVE-2013-6456

The LXC driver (lxc/lxc_driver.c) in libvirt 1.0.1 through 1.2.1 allows local users to (1) delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; (2) create arbitrary nodes (mknod) via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the (3) virDomainShutdown or (4) virDomainReboot API and a symlink attack on /dev/initctl in the container, related to "paths under /proc/$PID/root" and the virInitctlSetRunLevel function.
Publish Date : 2014-04-15 Last Update Date : 2014-05-09
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- CVSS Scores & Vulnerability Types

CVSS Score
5.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 59

- Related OVAL Definitions

Title Definition Id Class Family
SUSE-SU-2014:0785-1 -- Security update for libvirt oval:org.mitre.oval:def:26280 unix
USN-2209-1 -- libvirt vulnerabilities oval:org.mitre.oval:def:24728 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-2013-6456

# Product Type Vendor Product Version Update Edition Language
1 OS Fedoraproject Fedora 20 Version Details Vulnerabilities
2 Application Redhat Libvirt 1.0.1 Version Details Vulnerabilities
3 Application Redhat Libvirt 1.0.2 Version Details Vulnerabilities
4 Application Redhat Libvirt 1.0.3 Version Details Vulnerabilities
5 Application Redhat Libvirt 1.0.4 Version Details Vulnerabilities
6 Application Redhat Libvirt 1.0.5 Version Details Vulnerabilities
7 Application Redhat Libvirt 1.0.5.1 Version Details Vulnerabilities
8 Application Redhat Libvirt 1.0.5.2 Version Details Vulnerabilities
9 Application Redhat Libvirt 1.0.5.3 Version Details Vulnerabilities
10 Application Redhat Libvirt 1.0.5.4 Version Details Vulnerabilities
11 Application Redhat Libvirt 1.0.5.5 Version Details Vulnerabilities
12 Application Redhat Libvirt 1.0.5.6 Version Details Vulnerabilities
13 Application Redhat Libvirt 1.0.6 Version Details Vulnerabilities
14 Application Redhat Libvirt 1.1.0 Version Details Vulnerabilities
15 Application Redhat Libvirt 1.1.1 Version Details Vulnerabilities
16 Application Redhat Libvirt 1.1.2 Version Details Vulnerabilities
17 Application Redhat Libvirt 1.1.3 Version Details Vulnerabilities
18 Application Redhat Libvirt 1.1.4 Version Details Vulnerabilities
19 Application Redhat Libvirt 1.2.0 Version Details Vulnerabilities
20 Application Redhat Libvirt 1.2.1 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Fedoraproject Fedora 1
Redhat Libvirt 19

- References For CVE-2013-6456

http://libvirt.org/news.html CONFIRM
http://lists.opensuse.org/opensuse-updates/2014-05/msg00004.html
SUSE openSUSE-SU-2014:0593
http://secunia.com/advisories/56215
SECUNIA 56215
http://secunia.com/advisories/56187
SECUNIA 56187
http://www.securityfocus.com/bid/65743
BID 65743 libvirt Unsafe Paths Usage Symlink Multiple Security Vulnerabilities Release Date:2014-12-10
http://security.libvirt.org/2013/0018.html CONFIRM
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=732394
http://libvirt.org/git/?p=libvirt.git;a=commit;h=5fc590ad9f4 CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1045643 CONFIRM
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129199.html
FEDORA FEDORA-2014-2864

- Metasploit Modules Related To CVE-2013-6456

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


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