CVE-2018-6957: Medium severity VMware Workstation Pro vulnerability

Published Mar 15, 2018
·
Updated

VMware Workstation (14.x before 14.1.1, 12.x) and Fusion (10.x before 10.1.1 and 8.x) contain a denial-of-service vulnerability which can be triggered by opening a large number of VNC sessions. Note: In order for exploitation to be possible on Workstation and Fusion, VNC must be manually enabled.

Affected Software

41 affected components
VMware Workstation Pro>=14.0<14.1.1
VMware Workstation Pro=12.0
VMware Workstation Pro=12.1
VMware Workstation Pro=12.01
VMware Workstation Pro=12.1.1
VMware Workstation Pro=12.5
VMware Workstation Pro=12.5.1
VMware Workstation Pro=12.5.2
VMware Workstation Pro=12.5.3
VMware Workstation Pro=12.5.4
VMware Workstation Pro=12.5.5
VMware Workstation Pro=12.5.6
VMware Workstation Pro=12.5.7
VMware Workstation Player>=14.0<14.1.1
VMware Workstation Player=12.0
VMware Workstation Player=12.0.1
VMware Workstation Player=12.1
VMware Workstation Player=12.1.1
VMware Workstation Player=12.5
VMware Workstation Player=12.5.1
VMware Workstation Player=12.5.2
VMware Workstation Player=12.5.3
VMware Workstation Player=12.5.4
VMware Workstation Player=12.5.5
VMware Workstation Player=12.5.6
VMware Workstation Player=12.5.7
VMware Fusion=8.0
VMware Fusion=8.0.1
VMware Fusion=8.0.2
VMware Fusion=8.1
VMware Fusion=8.1.1
VMware Fusion=8.5
VMware Fusion=8.5.1
VMware Fusion=8.5.2
VMware Fusion=8.5.3
VMware Fusion=8.5.4
VMware Fusion=8.5.5
VMware Fusion=8.5.6
VMware Fusion=8.5.7
VMware Fusion=8.5.8
VMware Fusion>=10.0<10.1.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade VMware Workstation to a version that resolves this vulnerability.

    Fixed in 14.1.1
  2. Upgrade

    Upgrade VMware Fusion to a version that resolves this vulnerability.

    Fixed in 10.1.1
  3. Upgrade

    Upgrade VMware Fusion to a version that resolves this vulnerability.

    Fixed in 8.x
  4. Configuration

    VNC must be manually enabled for exploitation to be possible on Workstation and Fusion; keep VNC disabled to prevent triggering the denial-of-service via many VNC sessions.

    VNC in VMware Workstation/Fusion VNC session availability (VNC enabled/disabled) = disabled

Event History

Mar 15, 2018
CVE Published
via MITRE·07:00 PM
Data Sourced
via MITRE·07:00 PM
DescriptionWeakness
Data Sourced
via NVD·07:29 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2018-6957?

CVE-2018-6957 is a denia...

2

What software is affected by CVE-2018-6957?

VMware Workstation Pro (14.x before 14.1.1, 12.x) and VMware Fusion (10.x before 10.1.1 and 8.x) are affected.

3

How can CVE-2018-6957 be exploited?

CVE-2018-6957 can be exploited by opening a large number of VNC sessions, provided that VNC is manually enabled on VMware Workstation and Fusion.

4

What is the severity of CVE-2018-6957?

CVE-2018-6957 has a severity rating of medium (5.3).

5

Where can I find more information about CVE-2018-6957?

You can find more information about CVE-2018-6957 at the following references: [1](http://www.securityfocus.com/bid/103431), [2](http://www.securitytracker.com/id/1040539), [3](https://www.vmware.com/security/advisories/VMSA-2018-0008.html)

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