Vulnerability Details : CVE-2017-12137
arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
Vulnerability category: Overflow
Products affected by CVE-2017-12137
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:6.5:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.1:*:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenserver:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12137
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12137
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
2.0
|
6.0
|
NIST |
CWE ids for CVE-2017-12137
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12137
-
http://www.securityfocus.com/bid/100342
Xen CVE-2017-12137 Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
-
http://www.openwall.com/lists/oss-security/2017/08/15/2
oss-security - Xen Security Advisory 227 (CVE-2017-12137) - x86: PV privilege escalation via map_grant_refMailing List;Mitigation;Patch;Third Party Advisory
-
http://www.debian.org/security/2017/dsa-3969
Debian -- Security Information -- DSA-3969-1 xenThird Party Advisory
-
http://xenbits.xen.org/xsa/advisory-227.html
XSA-227 - Xen Security AdvisoriesPatch;Vendor Advisory
-
https://support.citrix.com/article/CTX225941
Citrix XenServer Multiple Security UpdatesPatch;Third Party Advisory
-
https://security.gentoo.org/glsa/201801-14
Xen: Multiple vulnerabilities (GLSA 201801-14) — Gentoo securityThird Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=1477657
1477657 – (CVE-2017-12137, xsa227) CVE-2017-12137 xsa227 xen: x86: PV privilege escalation via map_grant_ref (XSA-227)Issue Tracking;Patch;Third Party Advisory
-
http://www.securitytracker.com/id/1039174
Xen Grant Reference Mapping Bug Lets Local Users on a PV Guest System Gain Elevated Privileges on the Host System - SecurityTrackerThird Party Advisory;VDB Entry
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