CVE-2017-8904

MEDIUM

Description

Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.

References

http://www.securityfocus.com/bid/98428

http://www.securitytracker.com/id/1038387

https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/

https://security.gentoo.org/glsa/201705-11

https://xenbits.xen.org/xsa/advisory-214.html

Details

Source: MITRE

Published: 2017-05-11

Updated: 2017-07-11

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 6.8

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

Impact Score: 10

Exploitability Score: 3.1

Severity: MEDIUM

CVSS v3.0

Base Score: 8.8

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

Impact Score: 6

Exploitability Score: 2

Severity: HIGH