National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-4952 Detail

Description

QEMU (aka Quick Emulator), when built with VMWARE PVSCSI paravirtual SCSI bus emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds array access) via vectors related to the (1) PVSCSI_CMD_SETUP_RINGS or (2) PVSCSI_CMD_SETUP_MSG_RING SCSI command.

Source:  MITRE
Description Last Modified:  09/02/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H (V3 legend)
Impact Score: 4.0
Exploitability Score: 0.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 1.5 LOW
Vector: (AV:L/AC:M/Au:S/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 2.7

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): Single
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2016/05/23/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/05/23/4 Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3047-2 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334384 Issue Tracking
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg03774.html Mailing List Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4952
NVD Published Date:
09/02/2016
NVD Last Modified:
09/09/2016