National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H (V3 legend)
Impact Score: 6.0
Exploitability Score: 1.1

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 v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.debian.org/security/2017/dsa-3969
http://www.openwall.com/lists/oss-security/2017/08/15/3 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/100346 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039175 Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-228.html Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477651 Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201801-14
https://support.citrix.com/article/CTX225941 Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-12136
NVD Published Date:
08/24/2017
NVD Last Modified:
01/15/2018