CVE-2017-17045

HIGH

Description

An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to gain privileges on the host OS, obtain sensitive information, or cause a denial of service (BUG and host OS crash) by leveraging the mishandling of Populate on Demand (PoD) Physical-to-Machine (P2M) errors.

References

http://www.securityfocus.com/bid/102013

http://www.securityfocus.com/bid/102129

http://www.securitytracker.com/id/1039879

https://lists.debian.org/debian-lts-announce/2018/01/msg00003.html

https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html

https://security.gentoo.org/glsa/201801-14

https://support.citrix.com/article/CTX230138

https://xenbits.xen.org/xsa/advisory-247.html

Details

Source: MITRE

Published: 2017-11-28

Updated: 2018-10-30

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.2

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

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

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