CVE-2017-10921
Xen Guest Privilege Escalation Denial of Service
Description
The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.
INFO
Published Date :
July 5, 2017, 1:29 a.m.
Last Modified :
Oct. 3, 2019, 12:03 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-10921.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-10921 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-10921 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-264 CWE-119 -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3969 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 19, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201710-17 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 22, 2017
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201708-03 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 11, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1038734 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 10, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://xenbits.xen.org/xsa/advisory-224.html No Types Assigned https://xenbits.xen.org/xsa/advisory-224.html Patch, Vendor Advisory Added CWE CWE-264 Added CPE Configuration OR *cpe:2.3:o:xen:xen:4.8.1:*:*:*:*:*:*:* (and previous)
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-10921 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-10921
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.64 }} 0.00%
score
0.75960
percentile