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Vulnerability Details : CVE-2012-4535

Xen 3.4 through 4.2, and possibly earlier versions, allows local guest OS administrators to cause a denial of service (Xen infinite loop and physical CPU consumption) by setting a VCPU with an "inappropriate deadline."
Publish Date : 2012-11-21 Last Update Date : 2017-08-28
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
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 Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2012-1540 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:27435 unix
DSA-2582-1 xen - denial of service oval:org.mitre.oval:def:20155 unix
ELSA-2012-1540-1 -- kernel security, bug fix, and enhancement update (important) oval:org.mitre.oval:def:27375 unix
ELSA-2012:1540: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:23068 unix
RHSA-2012:1540: kernel security, bug fix, and enhancement update (Important) oval:org.mitre.oval:def:21233 unix
RHSA-2012:1540: kernel security, bug fix, and enhancement update (Important) oval:com.redhat.rhsa:def:20121540 unix
SUSE-SU-2014:0446-1 -- Security update for Xen oval:org.mitre.oval:def:25115 unix
SUSE-SU-2014:0470-1 -- Security update for Xen oval:org.mitre.oval:def:25516 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-2012-4535

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 3.4.0 Version Details Vulnerabilities
2 OS XEN XEN 3.4.1 Version Details Vulnerabilities
3 OS XEN XEN 3.4.2 Version Details Vulnerabilities
4 OS XEN XEN 3.4.3 Version Details Vulnerabilities
5 OS XEN XEN 3.4.4 Version Details Vulnerabilities
6 OS XEN XEN 4.0.0 Version Details Vulnerabilities
7 OS XEN XEN 4.0.1 Version Details Vulnerabilities
8 OS XEN XEN 4.0.2 Version Details Vulnerabilities
9 OS XEN XEN 4.0.3 Version Details Vulnerabilities
10 OS XEN XEN 4.0.4 Version Details Vulnerabilities
11 OS XEN XEN 4.1.0 Version Details Vulnerabilities
12 OS XEN XEN 4.1.1 Version Details Vulnerabilities
13 OS XEN XEN 4.1.2 Version Details Vulnerabilities
14 OS XEN XEN 4.1.3 Version Details Vulnerabilities
15 OS XEN XEN 4.2.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 15

- References For CVE-2012-4535

https://security.gentoo.org/glsa/201604-03
GENTOO GLSA-201604-03
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
SUSE SUSE-SU-2012:1486
https://exchange.xforce.ibmcloud.com/vulnerabilities/80022
XF xen-vcpu-dos(80022)
http://www.securitytracker.com/id?1027759
SECTRACK 1027759
http://www.securityfocus.com/bid/56498
BID 56498 Xen Multiple Denial of Service Vulnerabilities Release Date:2014-04-04
http://security.gentoo.org/glsa/glsa-201309-24.xml
GENTOO GLSA-201309-24
http://www.openwall.com/lists/oss-security/2012/11/13/1
MLIST [oss-security] 20121113 Xen Security Advisory 20 (CVE-2012-4535) - Timer overflow DoS vulnerability
http://www.debian.org/security/2012/dsa-2582
DEBIAN DSA-2582
http://rhn.redhat.com/errata/RHSA-2012-1540.html
REDHAT RHSA-2012:1540
http://lists.xen.org/archives/html/xen-announce/2012-11/msg00001.html
MLIST [Xen-announce] 20121113 Xen Security Advisory 20 (CVE-2012-4535) - Timer overflow DoS vulnerability
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
SUSE SUSE-SU-2014:0470
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
SUSE SUSE-SU-2014:0446
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/msg00018.html
SUSE openSUSE-SU-2012:1573
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
SUSE SUSE-SU-2012:1487
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
SUSE openSUSE-SU-2012:1572

- Metasploit Modules Related To CVE-2012-4535

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


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