Article Number: 000147397


DSA-2019-051: Dell SupportAssist Client Multiple Vulnerabilities

Summary: Dell SupportAssist Client has been updated to address multiple vulnerabilities which may be potentially exploited to compromise the system.

Article Content


Impact

High

Details

Improper Origin Validation (CVE-2019-3718)

 

Dell SupportAssist Client versions prior to 3.2.0.90 contain an improper origin validation vulnerability.    An unauthenticated remote attacker could potentially exploit this vulnerability to attempt CSRF attacks on users of the impacted systems.

CVSSv3 Base Score: 7.6 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H)

 

Remote Code Execution Vulnerability (CVE-2019-3719)

 

Dell SupportAssist Client versions prior to 3.2.0.90 contain a remote code execution vulnerability. An unauthenticated attacker, sharing the network access layer with the vulnerable system, can compromise the vulnerable system by tricking a victim user into downloading and executing arbitrary executables via SupportAssist client from attacker hosted sites.

CVSSv3 Base Score: 7.1 (AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Improper Origin Validation (CVE-2019-3718)

 

Dell SupportAssist Client versions prior to 3.2.0.90 contain an improper origin validation vulnerability.    An unauthenticated remote attacker could potentially exploit this vulnerability to attempt CSRF attacks on users of the impacted systems.

CVSSv3 Base Score: 7.6 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H)

 

Remote Code Execution Vulnerability (CVE-2019-3719)

 

Dell SupportAssist Client versions prior to 3.2.0.90 contain a remote code execution vulnerability. An unauthenticated attacker, sharing the network access layer with the vulnerable system, can compromise the vulnerable system by tricking a victim user into downloading and executing arbitrary executables via SupportAssist client from attacker hosted sites.

CVSSv3 Base Score: 7.1 (AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

Affected products:

Dell SupportAssist Client versions prior to 3.2.0.90.


Remediation:
The following Dell SupportAssist Client release contains resolutions to these vulnerabilities:

  • Dell SupportAssist Client version 3.2.0.90 and later.

Dell recommends all customers upgrade at the earliest opportunity.

Customers can download software from https://downloads.dell.com/serviceability/Catalog/SupportAssistInstaller.exe.

Affected products:

Dell SupportAssist Client versions prior to 3.2.0.90.


Remediation:
The following Dell SupportAssist Client release contains resolutions to these vulnerabilities:

  • Dell SupportAssist Client version 3.2.0.90 and later.

Dell recommends all customers upgrade at the earliest opportunity.

Customers can download software from https://downloads.dell.com/serviceability/Catalog/SupportAssistInstaller.exe.

Acknowledgements

Dell would like to thank John C. Hennessy-ReCar for reporting CVE-2019-3718 and Bill Demirkapi for reporting CVE-2019-3719.

 

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide


The information in this Dell Technologies Security Advisory should be read and used to assist in avoiding situations that may arise from the problems described herein. Dell Technologies distributes Security Advisories to bring important security information to the attention of users of the affected product(s). Dell Technologies assesses the risk based on an average of risks across a diverse set of installed systems and may not represent the actual risk to your local installation and individual environment. It is recommended that all users determine the applicability of this information to their individual environments and take appropriate actions. The information set forth herein is provided "as is" without warranty of any kind. Dell Technologies expressly disclaims all warranties, either express or implied, including the warranties of merchantability, fitness for a particular purpose, title and non-infringement. In no event shall Dell Technologies, its affiliates or suppliers, be liable for any damages whatsoever arising from or related to the information contained herein or actions that you decide to take based thereon, including any direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell Technologies, its affiliates or suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages, so the foregoing limitation shall apply to the extent permissible under law.

Article Properties


Affected Product

SupportAssist for Home PCs, SupportAssist for Business PCs

Last Published Date

21 Feb 2021

Version

4

Article Type

Dell Security Advisory

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