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Category:   Application (Generic)  >   VMware Vendors:   VMware
VMware Workstation and Player IOCTL Pointer Dereference Lets Local Users Deny Service
SecurityTracker Alert ID:  1030103
SecurityTracker URL:
CVE Reference:   CVE-2014-2384   (Links to External Site)
Date:  Apr 16 2014
Impact:   Denial of service via local system

Version(s): WorkStation 10.0.1 build-1379776; Player 6.0.1 build-1379776
Description:   A vulnerability was reported in VMware Workstation and Player. A local user can cause denial of service conditions on the host system.

A local user can send a specially crafted IOCTL to trigger a invalid pointer dereference in the 'vmx86.sys' kernel mode driver and cause the host system to crash.

The original advisory is available at:

Kyriakos Economou from Portcullis reported this vulnerability.

Impact:   A local user can cause the target host system to crash.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

Subject:  CVE-2014-2384 - Invalid Pointer Dereference in VMware Workstation and Player

Vulnerability title: Invalid Pointer Dereference in VMware Workstation
and Player
CVE: CVE-2014-2384
Vendor: VMware
Product: Workstation, Player
Affected version: VMware WorkStation v10.0.1 build-1379776 and VMware
Player v6.0.1 build-1379776
Fixed version: N/A
Reported by: Kyriakos Economou


The vmx86.sys (32 & 64-bit) kernel mode driver shared by various VMware
Windows products such as VMware Workstation and VMWare Player, allows a
local attacker to kill the host system through a Blue Screen of Death by
sending a specific IOCTL code with a 3 bytes, or larger, input buffer.

check if a pointer to a memory page is valid or not, thus causing a
memory access violation by trying to read from an unallocated memory page.

Further details at:

Copyright (c) Portcullis Computer Security Limited 2014, All rights
reserved worldwide. Permission is hereby granted for the electronic
redistribution of this information. It is not to be edited or altered in
any way without the express written consent of Portcullis Computer
Security Limited.

The information herein contained may change without notice. Use of this
information constitutes acceptance for use in an AS IS condition. There
are NO warranties, implied or otherwise, with regard to this information
or its use. Any use of this information is at the user's risk. In no
event shall the author/distributor (Portcullis Computer Security
Limited) be held liable for any damages whatsoever arising out of or in
connection with the use or spread of this information.

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