National Vulnerability Database (NVD) National Vulnerability Database (CVE-2013-0215)

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Last updated: Sun May 19 11:58:05 EDT 2013

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Vulnerability Summary for CVE-2013-0215

Original release date:03/07/2013

Last revised:03/08/2013

Source: US-CERT/NIST

Overview

oxenstored in Xen 4.1.x, Xen 4.2.x, and xen-unstable does not properly consider the state of the Xenstore ring during read operations, which allows guest OS users to cause a denial of service (daemon crash and host-control outage, or memory consumption) or obtain sensitive control-plane data by leveraging guest administrative access.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.3 (MEDIUM) (AV:A/AC:M/Au:N/C:P/I:N/A:P) (legend)

Impact Subscore: 4.9

Exploitability Subscore: 5.5

CVSS Version 2 Metrics:

Access Vector: Local network exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Allows unauthorized disclosure of information; Allows disruption of service

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External Source: CONFIRM

Name: http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=61401264eb00fae4ee4efc8e9a5067449283207b

Hyperlink:http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=61401264eb00fae4ee4efc8e9a5067449283207b

External Source: CONFIRM

Name: http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=40f9c5e0a6d15b4ca1f6d4ed3a46f0871520eab5

Hyperlink:http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=40f9c5e0a6d15b4ca1f6d4ed3a46f0871520eab5

External Source: MLIST

Name: [oss-security] 20130205 Xen Security Advisory 38 (CVE-2013-0215) - oxenstored incorrect handling of certain Xenbus ring states

Hyperlink:http://openwall.com/lists/oss-security/2013/02/05/10