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Vulnerability Details : CVE-2012-4538

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
Publish Date : 2012-11-24 Last Update Date : 2017-08-29
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
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 Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
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 20

- Related OVAL Definitions

Title Definition Id Class Family
DSA-2582-1 xen - denial of service oval:org.mitre.oval:def:20155 unix
SUSE-SU-2014:0446-1 -- Security update for Xen oval:org.mitre.oval:def:25115 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-2012-4538

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 4.0.0 * * * Version Details Vulnerabilities
2 OS XEN XEN 4.1.0 * * * Version Details Vulnerabilities
3 OS XEN XEN 4.2.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 3

- References For CVE-2012-4538

http://secunia.com/advisories/51324
SECUNIA 51324
http://secunia.com/advisories/55082
SECUNIA 55082
http://secunia.com/advisories/51200
SECUNIA 51200
http://secunia.com/advisories/51352
SECUNIA 51352
http://secunia.com/advisories/51413
SECUNIA 51413
http://www.securityfocus.com/bid/56498
BID 56498 Xen Multiple Denial of Service Vulnerabilities Release Date:2014-04-04
http://www.securitytracker.com/id?1027762
SECTRACK 1027762
http://www.openwall.com/lists/oss-security/2012/11/13/3
MLIST [oss-security] 20121113 Xen Security Advisory 23 (CVE-2012-4538) - Unhooking empty PAE entries DoS vulnerability
http://www.debian.org/security/2012/dsa-2582
DEBIAN DSA-2582
http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
SUSE SUSE-SU-2012:1615
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
SUSE SUSE-SU-2012:1486
http://secunia.com/advisories/51468
SECUNIA 51468
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
SUSE SUSE-SU-2012:1487
http://osvdb.org/87306
OSVDB 87306
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
SUSE openSUSE-SU-2012:1572
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html
MLIST [Xen-announce] 20121113 Xen Security Advisory 23 (CVE-2012-4538) - Unhooking empty PAE entries DoS vulnerability
http://security.gentoo.org/glsa/glsa-201309-24.xml
GENTOO GLSA-201309-24
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
SUSE SUSE-SU-2014:0446
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
SUSE openSUSE-SU-2012:1573
https://security.gentoo.org/glsa/201604-03
GENTOO GLSA-201604-03
https://exchange.xforce.ibmcloud.com/vulnerabilities/80025
XF xen-hvmop-dos(80025)

- Metasploit Modules Related To CVE-2012-4538

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


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