Vulnerability CVE-2017-17045
Published: 2017-11-28   Modified: 2017-11-29

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.

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
XEN -> XEN 

 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
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