CVE-2015-8555

Xen 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors.

CVSS v3.0 8.6 HIGH
CVSS v2.0 5.0 MEDIUM

8.6^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
http://www.securitytracker.com/id/1034477
http://www.securityfocus.com/bid/79543
http://xenbits.xen.org/xsa/advisory-165.html	Patch Vendor Advisory
http://support.citrix.com/article/CTX203879
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.debian.org/security/2016/dsa-3519
https://security.gentoo.org/glsa/201604-03

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Configurations

Configuration 1 (hide)

cpe:2.3:a:citrix:xenserver:6.0:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:xen:xen:4.4.3:::::::*
	cpe:2.3:o:xen:xen:4.4.2:::::::*
	cpe:2.3:o:xen:xen:4.6.0:::::::*
	cpe:2.3:o:xen:xen:4.3.4:::::::*
	cpe:2.3:o:xen:xen:4.3.3:::::::*
	cpe:2.3:o:xen:xen:4.4.1:::::::*
	cpe:2.3:o:xen:xen:4.4.0:::::::*
	cpe:2.3:o:xen:xen:4.3.2:::::::*
	cpe:2.3:o:xen:xen:4.3.1:::::::*
	cpe:2.3:o:xen:xen:4.5.3:::::::*
	cpe:2.3:o:xen:xen:4.5.2:::::::*
	cpe:2.3:o:xen:xen:4.3.0:::::::*
	cpe:2.3:o:xen:xen:4.4.4:::::::*
	cpe:2.3:o:xen:xen:4.6.1:::::::*
	cpe:2.3:o:xen:xen:4.5.1:::::::*
	cpe:2.3:o:xen:xen:4.5.0:::::::*

Information

Published : 2016-04-13 08:59

Updated : 2017-06-30 18:29

NVD link : CVE-2015-8555

Mitre link : CVE-2015-8555

JSON object : View

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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Products Affected

citrix

xenserver

xen

xen

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