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Vulnerability Details : CVE-2013-4368

The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.
Publish Date : 2013-10-17 Last Update Date : 2014-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
1.9
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
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) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2013:1449: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:22983 unix
RHSA-2013:1449: kernel security and bug fix update (Moderate) oval:org.mitre.oval:def:21281 unix
RHSA-2013:1449: kernel security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20131449 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-2013-4368

# Product Type Vendor Product Version Update Edition Language
1 OS XEN XEN 3.0.2 Version Details Vulnerabilities
2 OS XEN XEN 3.0.3 Version Details Vulnerabilities
3 OS XEN XEN 3.0.4 Version Details Vulnerabilities
4 OS XEN XEN 3.1.3 Version Details Vulnerabilities
5 OS XEN XEN 3.1.4 Version Details Vulnerabilities
6 OS XEN XEN 3.2.0 Version Details Vulnerabilities
7 OS XEN XEN 3.2.1 Version Details Vulnerabilities
8 OS XEN XEN 3.2.2 Version Details Vulnerabilities
9 OS XEN XEN 3.2.3 Version Details Vulnerabilities
10 OS XEN XEN 3.3.0 Version Details Vulnerabilities
11 OS XEN XEN 3.3.1 Version Details Vulnerabilities
12 OS XEN XEN 3.3.2 Version Details Vulnerabilities
13 OS XEN XEN 3.4.0 Version Details Vulnerabilities
14 OS XEN XEN 3.4.1 Version Details Vulnerabilities
15 OS XEN XEN 3.4.2 Version Details Vulnerabilities
16 OS XEN XEN 3.4.3 Version Details Vulnerabilities
17 OS XEN XEN 3.4.4 Version Details Vulnerabilities
18 OS XEN XEN 4.0.0 Version Details Vulnerabilities
19 OS XEN XEN 4.0.1 Version Details Vulnerabilities
20 OS XEN XEN 4.0.2 Version Details Vulnerabilities
21 OS XEN XEN 4.0.3 Version Details Vulnerabilities
22 OS XEN XEN 4.0.4 Version Details Vulnerabilities
23 OS XEN XEN 4.1.0 Version Details Vulnerabilities
24 OS XEN XEN 4.1.1 Version Details Vulnerabilities
25 OS XEN XEN 4.1.2 Version Details Vulnerabilities
26 OS XEN XEN 4.1.3 Version Details Vulnerabilities
27 OS XEN XEN 4.1.4 Version Details Vulnerabilities
28 OS XEN XEN 4.1.5 Version Details Vulnerabilities
29 OS XEN XEN 4.1.6.1 Version Details Vulnerabilities
30 OS XEN XEN 4.2.0 Version Details Vulnerabilities
31 OS XEN XEN 4.2.1 Version Details Vulnerabilities
32 OS XEN XEN 4.2.2 Version Details Vulnerabilities
33 OS XEN XEN 4.2.3 Version Details Vulnerabilities
34 OS XEN XEN 4.3.0 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
XEN XEN 34

- References For CVE-2013-4368

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.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
SUSE SUSE-SU-2014:0470
http://lists.opensuse.org/opensuse-updates/2013-11/msg00009.html
SUSE openSUSE-SU-2013:1636
http://rhn.redhat.com/errata/RHSA-2013-1449.html
REDHAT RHSA-2013:1449
http://www.openwall.com/lists/oss-security/2013/10/10/10
MLIST [oss-security] 20131010 Xen Security Advisory 67 (CVE-2013-4368) - Information leak through outs instruction emulation
http://xforce.iss.net/xforce/xfdb/87799
XF xen-cve20134368-info-disc(87799)

- Metasploit Modules Related To CVE-2013-4368

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


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