CVE-2015-8554

Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a "write path."

CVSS v3.0 7.5 HIGH
CVSS v2.0 6.6 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 0.8 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 2.7 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://www.securitytracker.com/id/1034481
http://support.citrix.com/article/CTX203879	Vendor Advisory
http://xenbits.xen.org/xsa/advisory-164.html	Vendor Advisory
http://www.securityfocus.com/bid/79579
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
https://security.gentoo.org/glsa/201604-03

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Configurations

Configuration 1 (hide)

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

Information

Published : 2016-04-14 07:59

Updated : 2017-06-30 18:29

NVD link : CVE-2015-8554

Mitre link : CVE-2015-8554

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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