CVE-2016-9932

LOW

Description

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

References

http://www.debian.org/security/2017/dsa-3847

http://www.securityfocus.com/bid/94863

http://www.securitytracker.com/id/1037468

http://xenbits.xen.org/xsa/advisory-200.html

https://security.gentoo.org/glsa/201612-56

https://support.citrix.com/article/CTX219378

Details

Source: MITRE

Published: 2017-01-26

Updated: 2017-11-04

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3.0

Base Score: 3.3

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Impact Score: 1.4

Exploitability Score: 1.8

Severity: LOW