CVE-2016-7094

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

CVSS v3.0 4.1 MEDIUM
CVSS v2.0 1.5 LOW

4.1^/10

CVSS v3.0 : MEDIUM

Vector : AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitability : 0.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

1.5^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:M/Au:S/C:N/I:N/A:P

Exploitability : 2.7 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://support.citrix.com/article/CTX216071	Third Party Advisory
http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch	Patch Vendor Advisory
http://www.securitytracker.com/id/1036753	Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-187.html	Patch Vendor Advisory
http://www.securityfocus.com/bid/92864	Third Party Advisory VDB Entry
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.debian.org/security/2016/dsa-3663
https://security.gentoo.org/glsa/201611-09

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Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Information

Published : 2016-09-21 07:25

Updated : 2017-06-30 18:30

NVD link : CVE-2016-7094

Mitre link : CVE-2016-7094

JSON object : View

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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Products Affected

xen

xen

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