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Vulnerability Details : CVE-2012-4544

The PV domain builder in Xen 4.2 and earlier does not validate the size of the kernel or ramdisk (1) before or (2) after decompression, which allows local guest administrators to cause a denial of service (domain 0 memory consumption) via a crafted (a) kernel or (b) ramdisk.
Publish Date : 2012-10-31 Last Update Date : 2017-08-29
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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 20

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2013-0241 -- xen security update (moderate) oval:org.mitre.oval:def:26932 unix
DSA-2636-1 xen - several oval:org.mitre.oval:def:19816 unix
DSA-2636-2 -- xen -- several vulnerabilities oval:org.mitre.oval:def:29189 unix
ELSA-2013:0241: xen security update (Moderate) oval:org.mitre.oval:def:23430 unix
RHSA-2013:0241: xen security update (Moderate) oval:org.mitre.oval:def:20953 unix
RHSA-2013:0241: xen security update (Moderate) oval:com.redhat.rhsa:def:20130241 unix
SUSE-SU-2014:0470-1 -- Security update for Xen oval:org.mitre.oval:def:25516 unix
SUSE-SU-2014:0446-1 -- Security update for Xen oval:org.mitre.oval:def:25115 unix
SUSE-SU-2014:0411-1 -- Security update for Xen oval:org.mitre.oval:def:25518 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-2012-4544

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN * * * * Version Details Vulnerabilities
2 OS XEN XEN 4.1.0 * * * Version Details Vulnerabilities
3 OS XEN XEN 4.1.1 * * * Version Details Vulnerabilities
4 OS XEN XEN 4.1.2 * * * Version Details Vulnerabilities
5 OS XEN XEN 4.1.3 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 5

- References For CVE-2012-4544

http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
SUSE SUSE-SU-2014:0411
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
SUSE SUSE-SU-2014:0446
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092050.html
FEDORA FEDORA-2012-17135
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091844.html
FEDORA FEDORA-2012-17204
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091832.html
FEDORA FEDORA-2012-17408
http://secunia.com/advisories/51324
SECUNIA 51324
http://secunia.com/advisories/51352
SECUNIA 51352
http://secunia.com/advisories/51413
SECUNIA 51413
http://www.debian.org/security/2013/dsa-2636
DEBIAN DSA-2636
http://www.openwall.com/lists/oss-security/2012/10/26/3
MLIST [oss-security] 20121026 Xen Security Advisory 25 (CVE-2012-4544) - Xen domain builder Out-of-memory due to malicious kernel/ramdisk
http://secunia.com/advisories/51071
SECUNIA 51071
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
http://www.securityfocus.com/bid/56289
BID 56289 Xen PV Domain Builder Kernel Decompression Local Denial Of Service Vulnerability Release Date:2014-04-07
http://www.securitytracker.com/id?1027699
SECTRACK 1027699
http://osvdb.org/86619
OSVDB 86619
http://rhn.redhat.com/errata/RHSA-2013-0241.html
REDHAT RHSA-2013:0241
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
SUSE SUSE-SU-2012:1486
http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
SUSE SUSE-SU-2014:0470
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
SUSE openSUSE-SU-2012:1573
https://exchange.xforce.ibmcloud.com/vulnerabilities/79617
XF xen-pvdomainbuilder-dos(79617)

- Metasploit Modules Related To CVE-2012-4544

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


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