DSA-2020-005: Dell SupportAssist Client Uncontrolled Search Path Vulnerability

DSA-2020-005: Dell SupportAssist Client Uncontrolled Search Path Vulnerability


DSA Identifier: DSA-2020-005

CVE Identifier: CVE-2020-5316

Severity: High

Severity Rating: CVSS Base Score: 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected products:

Dell SupportAssist for business PCs version 2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3

Dell SupportAssist for home PCs version 2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3, 2.2, 2.2.1, 2.2.2, 2.2.3, 3.0, 3.0.1, 3.0.2, 3.1, 3.2, 3.2.1, 3.2.2, 3.3, 3.3.1, 3.3.2, 3.3.3, 3.4

Summary:

Dell SupportAssist for business PCs and Dell SupportAssist for home PCs have been updated to address an uncontrolled search path vulnerability.

Details:

Dell SupportAssist for business PCs versions 2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3 and Dell SupportAssist for home PCs version 2.0, 2.0.1, 2.0.2, 2.1, 2.1.1, 2.1.2, 2.1.3, 2.2, 2.2.1, 2.2.2, 2.2.3, 3.0, 3.0.1, 3.0.2, 3.1, 3.2, 3.2.1, 3.2.2, 3.3, 3.3.1, 3.3.2, 3.3.3, 3.4 contain an uncontrolled search path vulnerability. A locally authenticated low privileged user could exploit this vulnerability to cause the loading of arbitrary DLLs by the SupportAssist binaries, resulting in the privileged execution of arbitrary code.

Resolution:

The following Dell SupportAssist for business PCs and Dell SupportAssist for home PCs releases contain a resolution to this vulnerability:

  • Dell SupportAssist for business PCs version 2.1.4
  • Dell SupportAssist for home PCs version 3.4.1

Dell recommends all customers upgrade at the earliest opportunity.

Method 1: Auto Update Enabled

All versions of SupportAssist automatically upgrade to the latest version available if automatic upgrades are enabled. Customers can check which version they are running and upgrade to a newer version of SupportAssist if available.

Method 2: Manual Update

Steps for manual update of SupportAssist for home PCs:

  1. Open SupportAssist.
  2. On the top-right corner of the SupportAssist window, click the ‘Settings’ icon, and then click ‘About SupportAssist’. SupportAssist will automatically check if a newer version of SupportAssist is available.
  • If no update is available, a message indicating that the latest version of SupportAssist is installed are displayed.
  • If a newer version of SupportAssist is available, the ‘Update Now’ link is displayed.
  1. Upon clicking Update Now, the latest version of SupportAssist is downloaded and installed on the system.

Note: For manual update of SupportAssist for business PCs, please refer to the Dell SupportAssist for business PCs deployment guide for deployment instructions.

Please visit the Dell Drivers & Downloads site for updates on the applicable products.

Customers may use one of the Dell notification solutions to be notified and download driver, BIOS and firmware updates automatically once available.

Credit:

Dell would like to thank Eran Shimony for reporting this vulnerability.

Severity Rating:

For an explanation of Severity Ratings, refer to Dell Vulnerability Response Policy . Dell recommends all customers take into account both the base score and any relevant temporal and environmental scores which may impact the potential severity associated with particular security vulnerability.

Legal Information:

Dell recommends that all users determine the applicability of this information to their individual situations and take appropriate action. The information set forth herein is provided "as is" without warranty of any kind. Dell 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 or its suppliers be liable for any damages whatsoever, including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell or its 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 may not apply.





Article ID: SLN320101

Last Date Modified: 02/06/2020 12:23 PM


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