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Knowledge Base

Workaround for OpenSLP security vulnerability in Horizon DaaS appliances (CVE-2019-5544) (76411)

Last Updated: 1/7/2020Categories: SecurityTotal Views: 11070Language:
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Details

CVE-2019-5544, a security vulnerability in OpenSLP, has been determined to affect Horizon DaaS appliances. This vulnerability and its effect on VMware products are documented in VMSA-2019-0022. Please review this advisory before continuing as there may be considerations outside the scope of this particular document.

The DaaS team has investigated CVE-2019-5544 and determined that the possibility of exploitation can be removed by performing the steps detailed in the resolution section of this article. This workaround is meant to be a temporary solution only - permanent fixes will be released as soon as they are available.

Warning:

This workaround is applicable ONLY to Horizon DaaS appliances. Do not apply this workaround to other VMware products.

Functionality Impacts:

There is no known functionality impact from applying the workaround described in this article.

Solution

Note:
In order to remove the risk of exploitation of the OpenSLP security issue CVE-2019-5544 in a DaaS environment, the ESXi patches should be applied. For more information see VMware Security Advisory VMSA-2019-0022 .

To implement the workaround for CVE-2019-5544 perform the following steps:

Download the workaround for the install version from the Customer Connect portal.

Horizon DaaS 6.1.5 OpenSLP Hotfix

Horizon DaaS 6.1.6 OpenSLP Hotfix

Horizon DaaS 7.0.0 OpenSLP Hotfix

Horizon DaaS 8.0.0 OpenSLP Hotfix

Horizon DaaS 8.0.1 OpenSLP Hotfix

Follow instructions provided in the Steps to follow section of the Readme.txt to apply the workaround to all management appliances in the DaaS deployments.

Note: The detailed help section in Readme.txt will provide guidance to the options that are available when the steps are executed.

To remove the workaround for CVE-2019-5544 at a later time perform the following steps:

The workaround is not known to impact any functionality, however, for any unforeseen reasons if there is a need to rollback then you can revert back to the snapshot taken at the start of the workaround as described in the Readme.txt.

For up-to-date information on CVE-2019-5544 as well as future security information please add your email address to the "Sign up for Security Advisories" window found in VMSA-2019-0022 .

Detectable by VMware SkylineTM

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Attachments

Additional Resources

KB
•
Application Remote Collector が再起動後、7.5 から 8.0 に自動的にアップグレードされる (76412)

KB
•
Skyline Collector が再起動後にネットワーク構成を失う (76400)

KB
•
Skyline Collector 在重新引导后丢失网络配置 (76400)

KB
•
End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

KB
•
Syslog 记录器丢弃日志消息 .rMinPeak 增加到高于日志记录组的 eMinPeak (79032)

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