National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-12136 Detail

Current Description

Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.

Source:  MITRE      Last Modified:  08/24/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-12136
Original release date:
08/24/2017
Last revised:
01/15/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.8 High
Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H (legend)
Impact Score:
6.0
Exploitability Score:
1.1
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.9 MEDIUM
Vector:
(AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.debian.org/security/2017/dsa-3969 External Source DEBIAN DSA-3969
http://www.openwall.com/lists/oss-security/2017/08/15/3 Mailing List; Patch; Third Party Advisory External Source MLIST [oss-security] 20170815 Xen Security Advisory 228 (CVE-2017-12136) - grant_table: Race conditions with maptrack free list handling
http://www.securityfocus.com/bid/100346 Third Party Advisory; VDB Entry External Source BID 100346
http://www.securitytracker.com/id/1039175 Third Party Advisory; VDB Entry External Source SECTRACK 1039175
http://xenbits.xen.org/xsa/advisory-228.html Patch; Vendor Advisory External Source CONFIRM http://xenbits.xen.org/xsa/advisory-228.html
https://bugzilla.redhat.com/show_bug.cgi?id=1477651 Issue Tracking; Patch; Third Party Advisory External Source MISC https://bugzilla.redhat.com/show_bug.cgi?id=1477651
https://security.gentoo.org/glsa/201801-14 External Source GENTOO GLSA-201801-14
https://support.citrix.com/article/CTX225941 Patch; Third Party Advisory External Source CONFIRM https://support.citrix.com/article/CTX225941

Technical Details

Vulnerability Type (View All)

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