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    Vulnerabilities Detail

CVE-2016-7154 Detail

Description

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

Source:  MITRE
Description Last Modified:  09/21/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.7 MEDIUM
Vector: AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 0.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
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://support.citrix.com/article/CTX216071 Third Party Advisory
http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
http://www.debian.org/security/2016/dsa-3663
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/92863 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036754 Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-188.html Patch Vendor Advisory
http://xenbits.xen.org/xsa/xsa188.patch Patch

Technical Details

Vulnerability Type (View All)

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-7154
NVD Published Date:
09/21/2016
NVD Last Modified:
04/09/2017