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Vulnerability Details : CVE-2010-4238

The vbd_create function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 is used, allows guest OS users to cause a denial of service (host OS panic) via an attempted access to a virtual CD-ROM device through the blkback driver. NOTE: some of these details are obtained from third party information.
Publish Date : 2011-01-22 Last Update Date : 2012-03-19
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- CVSS Scores & Vulnerability Types

CVSS Score
5.5
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 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 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
5.5
AV:A/AC:L/Au:S/C:N/I:N/A:C 2010-09-20 2010-09-20
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2011:0017: Oracle Linux 5.x.6 kernel security and bug fix update (Important) oval:org.mitre.oval:def:22989 unix
RHSA-2011:0017: Red Hat Enterprise Linux 5.6 kernel security and bug fix update (Important) oval:org.mitre.oval:def:21526 unix
RHSA-2011:0017: Red Hat Enterprise Linux 5.6 kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20110017 unix
VMware ESX third party updates for Service Console packages glibc and dhcp oval:org.mitre.oval:def:20307 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-2010-4238

# Product Type Vendor Product Version Update Edition Language
1 Application Citrix XEN 3.1.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Citrix XEN 1

- References For CVE-2010-4238

http://secunia.com/advisories/46397
SECUNIA 46397
http://bugs.centos.org/bug_view_advanced_page.php?bug_id=4517
http://www.securityfocus.com/bid/45795
BID 45795 Xen 'vbd_create()' Denial of Service Vulnerability Release Date:2011-10-13
http://secunia.com/advisories/42884
SECUNIA 42884
http://www.securityfocus.com/archive/1/archive/1/520102/100/0/threaded
BUGTRAQ 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console
http://www.redhat.com/support/errata/RHSA-2011-0017.html
REDHAT RHSA-2011:0017
http://www.vmware.com/security/advisories/VMSA-2011-0012.html CONFIRM
http://xforce.iss.net/xforce/xfdb/64698
XF xen-vdbcreate-dos(64698)
https://bugzilla.redhat.com/show_bug.cgi?id=655623 CONFIRM

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2010-4238

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


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