CVE-2017-8905

MEDIUM

Description

Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.

References

http://www.securityfocus.com/bid/98436

http://www.securitytracker.com/id/1038388

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-215.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