VMware Workstation 12.x < 12.5.6 vstor2 Driver NULL Pointer Dereference DoS (VMSA-2017-0009)

Medium Nessus Plugin ID 100418


A virtualization application installed on the remote Windows host is affected by a denial of service vulnerability.


The version of VMware Workstation installed on the remote Windows host is 12.x prior to 12.5.5. It is, therefore, affected by a NULL pointer dereference flaw in the vstor2 driver. A local attacker can exploit this to cause a denial of service condition.


Upgrade to VMware Workstation version 12.5.6 or later.

See Also


Plugin Details

Severity: Medium

ID: 100418

File Name: vmware_workstation_win_vmsa_2017_0009.nasl

Version: $Revision: 1.3 $

Type: local

Agent: windows

Family: Windows

Published: 2017/05/25

Modified: 2017/09/21

Dependencies: 26201

Risk Information

Risk Factor: Medium


Base Score: 4.9

Temporal Score: 4

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/a:vmware:workstation

Required KB Items: SMB/Registry/Enumerated, installed_sw/VMware Workstation, Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/05/18

Vulnerability Publication Date: 2017/05/18

Reference Information

CVE: CVE-2017-4916

BID: 98560

OSVDB: 157868

VMSA: 2017-0009