Citrix Xen up to 4.2.1 Oxenstored Daemon access control

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CVSS Meta Temp Score
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5.9$0-$5k0.00

A vulnerability was found in Citrix Xen up to 4.2.1 (Connectivity Software). It has been classified as problematic. Affected is an unknown function of the component Oxenstored Daemon. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability.

The weakness was disclosed 02/05/2013 as msg00000 as not defined mailinglist post (Website). The advisory is available at lists.xen.org. This vulnerability is traded as CVE-2013-0215 since 12/06/2012. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 64650 (Fedora 17 : xen-4.1.4-4.fc17 (2013-2002)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370047 (Citrix XenServer Security Update (CTX136540)).

Applying the patch xsa38 is able to eliminate this problem. The bugfix is ready for download at lists.xen.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 57742), X-Force (81832), Secunia (SA52055), Vulnerability Center (SBV-39046) and Tenable (64650). The entries 7599, 7603, 7604 and 7605 are pretty similar.

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VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 64650
Nessus Name: Fedora 17 : xen-4.1.4-4.fc17 (2013-2002)
Nessus File: 🔍
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OpenVAS ID: 865902
OpenVAS Name: Fedora Update for xen FEDORA-2013-10136
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Countermeasuresinfoedit

Recommended: Patch
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Patch: xsa38

Timelineinfoedit

12/06/2012 🔍
02/05/2013 +61 days 🔍
02/05/2013 +0 days 🔍
02/05/2013 +0 days 🔍
02/05/2013 +0 days 🔍
02/05/2013 +0 days 🔍
02/11/2013 +6 days 🔍
03/07/2013 +24 days 🔍
04/09/2013 +33 days 🔍
12/26/2016 +1357 days 🔍
04/26/2017 +121 days 🔍

Sourcesinfoedit

Vendor: https://www.citrix.com/

Advisory: msg00000
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0215 (🔍)
SecurityFocus: 57742 - Xen OXenstored Daemon CVE-2013-0215 Local Denial of Service Vulnerability
Secunia: 52055 - Xen oxenstored Xenbus Ring State Handling Vulnerability, Not Critical
X-Force: 81832
Vulnerability Center: 39046 - XenSource Xen and Citrix XenServer Local DoS via Leveraging of Guest Administrative Access, Low
OSVDB: 89853

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Entryinfoedit

Created: 02/11/2013 09:15 AM
Updated: 04/26/2017 11:49 PM
Changes: (3) source_secunia_date source_securityfocus_date source_securityfocus_class
Complete: 🔍
Committer: olku

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