Vulnerability Details : CVE-2017-10913
The grant-table feature in Xen through 4.8.x provides false mapping information in certain cases of concurrent unmap calls, which allows backend attackers to obtain sensitive information or gain privileges, aka XSA-218 bug 1.
Products affected by CVE-2017-10913
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-10913
0.81%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-10913
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2017-10913
-
https://security.gentoo.org/glsa/201710-17
Xen: Multiple vulnerabilities (GLSA 201710-17) — Gentoo security
-
http://www.debian.org/security/2017/dsa-3969
Debian -- Security Information -- DSA-3969-1 xen
-
https://security.gentoo.org/glsa/201708-03
Gentoo Linux — Error 404 (Not Found)
-
https://xenbits.xen.org/xsa/advisory-218.html
XSA-218 - Xen Security AdvisoriesMailing List;Vendor Advisory
-
http://www.securityfocus.com/bid/99411
Xen XSA-218 Multiple Privilege Escalation and Information Disclosure VulnerabilitiesThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1038722
Xen Grant Table Unmapping Bugs Let Local Users on the Guest System Gain Elevated Privileges on the Host System - SecurityTracker
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